{"id":3515,"date":"2025-12-10T07:46:55","date_gmt":"2025-12-10T07:46:55","guid":{"rendered":"https:\/\/nbaem.com\/?p=3515"},"modified":"2025-12-10T02:56:28","modified_gmt":"2025-12-10T02:56:28","slug":"waterproof-neodymium-sewing-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/waterproof-neodymium-sewing-magnets\/","title":{"rendered":"Nam ch\u00e2m may kh\u00f4ng g\u1ec9 Neodymium ch\u1ed1ng n\u01b0\u1edbc, kh\u00f3a k\u00edn b\u1ec1n, m\u1ea1nh, v\u00f4 h\u00ecnh"},"content":{"rendered":"<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm <strong>Nam ch\u00e2m may ch\u1ed1ng n\u01b0\u1edbc Neodymium<\/strong>, b\u1ea1n \u0111\u00e3 bi\u1ebft r\u1eb1ng kh\u00f3a snap ho\u1eb7c n\u00fat truy\u1ec1n th\u1ed1ng kh\u00f4ng \u0111\u1ee7 s\u1ee9c m\u1ea1nh, t\u00ednh \u1ea9n danh v\u00e0 \u0111\u1ed9 b\u1ec1n\u2014\u0111\u1eb7c bi\u1ec7t khi ti\u1ebfp x\u00fac v\u1edbi v\u1ea3i \u1ea9m ho\u1eb7c c\u00f3 th\u1ec3 gi\u1eb7t \u0111\u01b0\u1ee3c. Nh\u1eefng ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00ed hon n\u00e0y mang l\u1ea1i s\u1ef1 b\u00e1m ch\u1eb7t kh\u00f4ng th\u1ec3 \u0111\u00e1nh b\u1ea1i, ch\u1ed1ng \u0103n mnor v\u00e0 \u1ea9n m\u00ecnh trong c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n, tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf, ng\u01b0\u1eddi l\u00e0m th\u1ee7 c\u00f4ng v\u00e0 doanh nghi\u1ec7p nh\u1ecf. Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd kh\u00e1m ph\u00e1 l\u00fd do <strong>ch\u1ed1ng n\u01b0\u1edbc,<span style=\"color: #ff6600;\"> <a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\">d\u1ef1a tr\u00ean neodymium<\/a><\/span> ch\u1ed1t kim lo\u1ea1i t\u1eeb nam ch\u00e2m<\/strong> \u0111ang c\u00e1ch m\u1ea1ng h\u00f3a c\u00e1c d\u1ef1 \u00e1n may t\u1eeb t\u00fai x\u00e1ch v\u00e0 qu\u1ea7n \u00e1o \u0111\u1ebfn r\u00e8m c\u1eeda, c\u00f9ng v\u1edbi c\u00e1c m\u1eb9o chuy\u00ean gia \u0111\u1ec3 ch\u1ecdn, s\u1eed d\u1ee5ng v\u00e0 ch\u0103m s\u00f3c ch\u00fang nh\u01b0 m\u1ed9t chuy\u00ean gia. H\u00e3y \u0111i s\u00e2u v\u00e0o th\u1ebf gi\u1edbi c\u00e1c kh\u00f3a t\u1eeb t\u00ednh \u1ea9n, c\u00f3 th\u1ec3 gi\u1eb7t m\u00e1y k\u1ebft h\u1ee3p hi\u1ec7u su\u1ea5t c\u00f4ng ngh\u1ec7 cao v\u1edbi phong c\u00e1ch tinh t\u1ebf.<\/p>\n<h2>Hi\u1ec3u r\u00f5 v\u1ec1 Nam ch\u00e2m may Neodymium ch\u1ed1ng n\u01b0\u1edbc<\/h2>\n<h3>Nam ch\u00e2m may Neodymium l\u00e0 g\u00ec?<\/h3>\n<p>Nam ch\u00e2m may neodymium l\u00e0 nh\u1eefng nam ch\u00e2m nh\u1ecf, m\u1ea1nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 may v\u00e0o v\u1ea3i. \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb neodymium (NdFeB), m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm m\u1ea1nh nh\u1ea5t, nh\u1eefng nam ch\u00e2m n\u00e0y cung c\u1ea5p m\u1ed9t kh\u00f3a an to\u00e0n v\u00e0 \u1ea9n m\u00e0 kh\u00f4ng c\u00f3 c\u00e1c kh\u00f3a ho\u1eb7c n\u00fat c\u1ed3ng k\u1ec1nh.<\/p>\n<h3>L\u1ee3i \u00edch c\u1ee7a Nam ch\u00e2m may Neodymium ch\u1ed1ng n\u01b0\u1edbc<\/h3>\n<ul>\n<li><strong>Gi\u1eef ch\u1eb7t m\u1ea1nh:<\/strong> L\u1ef1c k\u00e9o v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi nam ch\u00e2m ho\u1eb7c ph\u1ee5 ki\u1ec7n truy\u1ec1n th\u1ed1ng.<\/li>\n<li><strong>Ch\u1ed1ng n\u01b0\u1edbc:<\/strong> L\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t b\u1ea3o v\u1ec7 nam ch\u00e2m kh\u1ecfi \u0111\u1ed9 \u1ea9m v\u00e0 vi\u1ec7c r\u1eeda s\u1ea1ch.<\/li>\n<li><strong>B\u1ec1n:<\/strong> Ch\u1ecbu \u0103n m\u00f2n, r\u1ec9 s\u00e9t v\u00e0 m\u00e0i m\u00f2n theo th\u1eddi gian.<\/li>\n<li><strong>Kh\u00f3a \u1ea9n:<\/strong> T\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o qu\u1ea7n \u00e1o v\u00e0 ph\u1ee5 ki\u1ec7n m\u00e0 kh\u00f4ng l\u1ed9 ra.<\/li>\n<\/ul>\n<h3>C\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt t\u1ea1i glance<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>L\u1ee3i \u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>L\u1edbp ph\u1ee7 ch\u1ed1ng n\u01b0\u1edbc<\/strong><\/td>\n<td>B\u1ea3o v\u1ec7 nam ch\u00e2m trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 \u0111\u1ed9 \u1ea9m cao<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u01b0\u1eddng \u0111\u1ed9 t\u1eeb m\u1ea1nh<\/strong><\/td>\n<td>Kh\u00f3a an to\u00e0n v\u00e0 tin c\u1eady<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u00edch th\u01b0\u1edbc g\u1ecdn<\/strong><\/td>\n<td>D\u1ec5 may v\u00e0o c\u00e1c lo\u1ea1i v\u1ea3i kh\u00e1c nhau<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 b\u1ec1n<\/strong><\/td>\n<td>S\u1eed d\u1ee5ng l\u00e2u d\u00e0i m\u00e0 kh\u00f4ng xu\u1ed1ng c\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>So s\u00e1nh ch\u00fang v\u1edbi c\u00e1c m\u00f3c kh\u00f3a truy\u1ec1n th\u1ed1ng v\u00e0 nam ch\u00e2m kh\u00e1c<\/h3>\n<table>\n<thead>\n<tr>\n<th>Kh\u00eda c\u1ea1nh<\/th>\n<th>Nam ch\u00e2m Neodymium ch\u1ed1ng n\u01b0\u1edbc<\/th>\n<th>Ph\u1ee5 ki\u1ec7n truy\u1ec1n th\u1ed1ng (N\u00fat, Kh\u00f3a snap)<\/th>\n<th>Nam ch\u00e2m Ferrite ho\u1eb7c Nh\u1ef1a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/strong><\/td>\n<td>R\u1ea5t m\u1ea1nh, l\u1ef1c k\u00e9o v\u01b0\u1ee3t tr\u1ed9i<\/td>\n<td>\u1ede m\u1ee9c v\u1eeba ph\u1ea3i, c\u00f3 th\u1ec3 m\u00f2n ho\u1eb7c g\u00e3y<\/td>\n<td>\u0110\u1ed9 m\u1ea1nh t\u1eeb th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc<\/strong><\/td>\n<td>C\u00f3, do l\u1edbp ph\u1ee7 PVC ho\u1eb7c TPU<\/td>\n<td>Kh\u00f4ng, kim lo\u1ea1i b\u1ecb han g\u1ec9 ho\u1eb7c v\u1ea3i y\u1ebfu \u0111i<\/td>\n<td>Th\u00f4ng th\u01b0\u1eddng kh\u00f4ng ch\u1ed1ng n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td><strong>Ngo\u1ea1i h\u00ecnh<\/strong><\/td>\n<td>\u1ea8n v\u00e0 m\u1ea3nh mai<\/td>\n<td>Hi\u1ec3n th\u1ecb v\u00e0 c\u1ed3ng k\u1ec1nh<\/td>\n<td>To h\u01a1n, k\u00e9m th\u1ea9m m\u1ef9<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 b\u1ec1n<\/strong><\/td>\n<td>L\u00e2u d\u00e0i d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/td>\n<td>D\u1ec5 b\u1ecb \u0103n m\u1ec9n\/g\u1ec9<\/td>\n<td>Gi\u00f2n ho\u1eb7c m\u1ea5t t\u1eeb t\u1eeb t\u00ednh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nam ch\u00e2m may neodymium ch\u1ed1ng n\u01b0\u1edbc cung c\u1ea5p m\u1ed9t l\u1ef1a ch\u1ecdn hi\u1ec7n \u0111\u1ea1i, \u0111\u00e1ng tin c\u1eady thay cho c\u00e1c ph\u1ea7n \u0111\u00f3ng m\u1edf truy\u1ec1n th\u1ed1ng. Ch\u00fang k\u1ebft h\u1ee3p s\u1ef1 ti\u1ec7n l\u1ee3i, s\u1ee9c m\u1ea1nh v\u00e0 th\u1ea9m m\u1ef9 \u2014 ho\u00e0n h\u1ea3o cho qu\u1ea7n \u00e1o, t\u00fai x\u00e1ch v\u00e0 \u0111\u1ed3 th\u1ee7 c\u00f4ng c\u1ea7n m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00f3ng m\u1edf \u1ea9n, b\u1ec1n<\/p>\n<h2>Th\u00e0nh ph\u1ea7n v\u00e0 C\u1ea5u tr\u00fac<\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-3514\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV.webp\" alt=\"\" width=\"451\" height=\"451\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV-12x12.webp 12w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV-66x66.webp 66w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV-150x150.webp 150w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV-200x200.webp 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV-300x300.webp 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV-400x400.webp 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV.webp 600w\" sizes=\"(max-width: 451px) 100vw, 451px\" \/><\/p>\n<p>Nam ch\u00e2m may neodymium ch\u1ed1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng quanh l\u00f5i NdFeB (neodymium\u2013s\u1eaft\u2013boron) m\u1ea1nh m\u1ebd, n\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh trong m\u1ed9t k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn. L\u00f5i n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1c l\u1ecdt v\u1ecf th\u00e9p ch\u1eafc ch\u1eafn kh\u00f4ng ch\u1ec9 t\u0103ng c\u01b0\u1eddng tr\u01b0\u1eddng t\u1eeb m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 v\u1eadt l\u00fd v\u00e0 gi\u00fap \u1ed5n \u0111\u1ecbnh khi may<\/p>\n<p>\u0110\u1ec3 l\u00e0m cho nh\u1eefng nam ch\u00e2m n\u00e0y th\u1ef1c s\u1ef1 ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ecbu \u0103n m\u00f2n, ch\u00fang \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u b\u1ec1n nh\u01b0 PVC (polyvinyl chloride) ho\u1eb7c TPU (polyurethane nhi\u1ec7t d\u1ebbo). B\u1ecdc ph\u1ee7 n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp ch\u1eafn, ng\u0103n n\u01b0\u1edbc, m\u1ed3 h\u00f4i v\u00e0 c\u00e1c \u0111\u1ed9 \u1ea9m kh\u00e1c ti\u1ebfp c\u1eadn l\u00f5i nam ch\u00e2m. Ph\u1ee7 PVC th\u01b0\u1eddng m\u1ec1m v\u00e0 linh ho\u1ea1t, l\u00fd t\u01b0\u1edfng cho v\u1ea3i nh\u1eb9, trong khi TPU mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 t\u00ednh \u0111\u00e0n h\u1ed3i cao cho c\u00e1c\u7528\u9014 th\u00f4 h\u01a1n<\/p>\n<p>Nam ch\u00e2m may neodymium c\u00f3 nhi\u1ec1u <strong>h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc<\/strong>\u2014th\u01b0\u1eddng l\u00e0 \u0111\u0129a ho\u1eb7c n\u00fat \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u d\u1ef1 \u00e1n kh\u00e1c nhau. Vi\u1ec7c gh\u00e9p c\u1eb7p c\u1ef1c t\u1eeb l\u00e0 r\u1ea5t quan tr\u1ecdng: nam ch\u00e2m \u0111\u01b0\u1ee3c b\u00e1n theo c\u1eb7p b\u1eafc\u2013nam \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00f3ng ch\u1eb7t v\u00e0 an to\u00e0n. L\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ef1c t\u1eeb ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t nam ch\u00e2m gi\u1eef ch\u1eb7t v\u00e0 m\u1ed9t nam ch\u00e2m d\u1ec5 r\u01a1i<\/p>\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi quan t\u00e2m \u0111\u1ebfn c\u00f4ng ngh\u1ec7 t\u1eeb t\u00ednh ngo\u00e0i nam ch\u00e2m may, vi\u1ec7c kh\u00e1m ph\u00e1 c\u00e1c ph\u00e1t tri\u1ec3n g\u1ea7n \u0111\u00e2y trong v\u1eadt li\u1ec7u t\u1eeb nh\u01b0 nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong <a href=\"https:\/\/nbaem.com\/vi\/the-role-of-magnetic-sensors-in-smart-appliances\/\" target=\"_blank\" rel=\"noopener\">c\u1ea3m bi\u1ebfn t\u1eeb trong c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh<\/a> \u0111em l\u1ea1i nh\u1eefng g\u00f3c nh\u00ecn h\u1eefu \u00edch v\u1ec1 c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u n\u00e0y ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<h2>Th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee7a Nam ch\u00e2m neodymium may ch\u1ed1ng n\u01b0\u1edbc<\/h2>\n<p>Hi\u1ec3u c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang nam ch\u00e2m neodymium may ch\u1ed1ng n\u01b0\u1edbc cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3n t\u00f3m t\u1eaft nhanh v\u1ec1 c\u00e1c c\u1ea5p \u0111\u1ed9, k\u00edch th\u01b0\u1edbc, l\u1ef1c k\u00e9o v\u00e0 kh\u1ea3 n\u0103ng gi\u1eb7t<\/p>\n<h3>C\u00e1c c\u1ea5p \u0111\u1ed9 v\u00e0 L\u1ef1c k\u00e9o<\/h3>\n<p>Nam ch\u00e2m neodymium \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng t\u1eeb <strong>N35 \u0111\u1ebfn N52<\/strong>, cho th\u1ea5y s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh c\u1ee7a ch\u00fang. C\u00e0ng cao s\u1ed1 c\u00e0ng m\u1ea1nh l\u1ef1c h\u00fat. \u0110i\u1ec1u n\u00e0y quan tr\u1ecdng v\u00ec b\u1ea1n mu\u1ed1n c\u01a1 c\u1ea5u kh\u00f3a t\u1eeb c\u1ee7a b\u1ea1n gi\u1eef ch\u1eb7t nh\u01b0ng v\u1eabn d\u1ec5 m\u1edf.<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5p \u0111\u1ed9<\/th>\n<th>Ph\u1ea1m vi l\u1ef1c h\u00fat*<\/th>\n<th>C\u00e1c Tr\u01b0\u1eddng H\u1ee3p S\u1eed D\u1ee5ng T\u1ed1t Nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N35<\/td>\n<td>1,2 \u2013 2,0 kg<\/td>\n<td>V\u1ea3i nh\u1eb9, kh\u00f3a nh\u1ecf<\/td>\n<\/tr>\n<tr>\n<td>N42<\/td>\n<td>2.0 \u2013 3.5 kg<\/td>\n<td>V\u1ea3i trung b\u00ecnh, t\u00fai x\u00e1ch, qu\u1ea7n \u00e1o<\/td>\n<\/tr>\n<tr>\n<td>N52<\/td>\n<td>3.5 \u2013 6.0+ kg<\/td>\n<td>V\u1ea3i n\u1eb7ng, thi\u1ebft b\u1ecb t\u00e1c chi\u1ebfn, kh\u00f3a l\u1edbn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*S\u1ee9c k\u00e9o thay \u0111\u1ed5i theo k\u00edch th\u01b0\u1edbc v\u00e0 l\u1edbp ph\u1ee7 nh\u01b0ng cho \u00fd t\u01b0\u1edfng r\u00f5 r\u00e0ng v\u1ec1 s\u1ee9c m\u1ea1nh.<\/p>\n<h3>Bi\u1ebfn th\u1ec3 k\u00edch th\u01b0\u1edbc v\u00e0 \u1ee9ng d\u1ee5ng<\/h3>\n<p>Nam ch\u00e2m c\u00f3 nhi\u1ec1u k\u00edch th\u01b0\u1edbc, ph\u1ed5 bi\u1ebfn t\u1eeb 12x2mm \u0111\u1ebfn 25x3mm. Nam ch\u00e2m nh\u1ecf nh\u01b0 <strong>12x2mm<\/strong> r\u1ea5t ph\u00f9 h\u1ee3p cho trang ph\u1ee5c ho\u1eb7c ph\u1ee5 ki\u1ec7n nh\u1eb9, trong khi c\u00e1c k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n, nh\u01b0 <strong>25x3mm<\/strong>, l\u00fd t\u01b0\u1edfng cho s\u1eed d\u1ee5ng t\u1ea3i n\u1eb7ng nh\u01b0 \u00e1o kho\u00e1c ho\u1eb7c t\u00fai x\u00e1ch.<\/p>\n<table>\n<thead>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc (\u0111\u01b0\u1eddng k\u00ednh x \u0111\u1ed9 d\u00e0y)<\/th>\n<th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>12\u00d72 mm<\/td>\n<td>Trang ph\u1ee5c nh\u1eb9, v\u00ed nh\u1ecf<\/td>\n<\/tr>\n<tr>\n<td>14\u00d72.5 mm<\/td>\n<td>Trang ph\u1ee5c h\u00e0ng ng\u00e0y, t\u00fai \u0111eo v\u1eeba<\/td>\n<\/tr>\n<tr>\n<td>18\u00d72.5 mm<\/td>\n<td>\u00e1o kho\u00e1c, thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi<\/td>\n<\/tr>\n<tr>\n<td>25\u00d73 mm<\/td>\n<td>V\u1ea3i d\u00e0y, \u0111\u00f3ng c\u1eeda qu\u00e2n s\u1ef1 v\u00e0 c\u00f4ng nghi\u1ec7p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00f3 th\u1ec3 gi\u1eb7t m\u00e1y v\u00e0 ch\u1ecbu nhi\u1ec7t<\/h3>\n<p>Nam ch\u00e2m may kim lo\u1ea1i neodymium ch\u1ed1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed3n t\u1ea1i qua c\u00e1c l\u1ea7n gi\u1eb7t m\u00e1y b\u00ecnh th\u01b0\u1eddng m\u00e0 kh\u00f4ng m\u1ea5t l\u1ef1c ho\u1eb7c b\u1ecb g\u1ec9. Nh\u1edd l\u1edbp ph\u1ee7 PVC ho\u1eb7c TPU b\u1ea3o v\u1ec7, ch\u00fang ch\u1ed1ng \u0103n m\u00f2n v\u00e0 duy tr\u00ec t\u00ednh t\u1eeb.<\/p>\n<ul>\n<li><strong>C\u00f3 th\u1ec3 gi\u1eb7t b\u1eb1ng m\u00e1y<\/strong> l\u00ean t\u1edbi 40-60\u00b0C, t\u00f9y lo\u1ea1i l\u1edbp ph\u1ee7.<\/li>\n<li>Ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed3 h\u00f4i, m\u01b0a v\u00e0 \u0111\u1ed9 \u1ea9mm<\/li>\n<li>Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho chu tr\u00ecnh s\u1ea5y \u1edf nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c \u1ee7i \u1edf v\u00f9ng nam ch\u00e2m.<\/li>\n<\/ul>\n<p>L\u1ef1a ch\u1ecdn c\u1ea5p v\u00e0 k\u00edch th\u01b0\u1edbc nam ch\u00e2m ph\u00f9 h\u1ee3p gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u1ee5 ki\u1ec7n t\u1eeb t\u00ednh ch\u1ed1ng n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng t\u1ed1t theo th\u1eddi gian, b\u1ea5t k\u1ec3 d\u1ef1 \u00e1n hay m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h2>L\u1ee3i \u00edch th\u1ef1c t\u1ebf v\u00e0 \u01afu \u0111i\u1ec3m s\u1eed d\u1ee5ng<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Magnetic_Closures_fO6hYqOHo.webp\" alt=\"N\u00fat \u0111\u00f3ng b\u1ecdc b\u1eb1ng nam ch\u00e2m Neodymium ch\u1ed1ng n\u01b0\u1edbc\" \/><\/p>\n<p>Nam ch\u00e2m h\u00e0n neodymium ch\u1ecbu n\u01b0\u1edbc mang l\u1ea1i <strong>k\u1ebft th\u00fac ch\u1eafc ch\u1eafn, v\u00f4 h\u00ecnh<\/strong> ho\u00e0 h\u1ee3p ho\u00e0n to\u00e0n v\u1edbi qu\u1ea7n \u00e1o, t\u00fai x\u00e1ch v\u00e0 \u0111\u1ed3 th\u1ee7 c\u00f4ng. Nh\u1eefng n\u00fat t\u1eeb nam ch\u00e2m \u1ea9n n\u00e0y cho th\u1ea5y v\u1ebb ngo\u00e0i s\u1ea1ch s\u1ebd, chuy\u00ean nghi\u1ec7p m\u00e0 kh\u00f4ng b\u1ecb c\u1ea3n tr\u1edf b\u1edfi c\u00e1c n\u00fat ho\u1eb7c kh\u00f3a c\u1ed3ng k\u1ec1nh.<\/p>\n<p>Ch\u00fang n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng <strong>kh\u00e1ng r\u1ec9, tr\u1ea7y x\u01b0\u1edbc v\u00e0 m\u00f2n t\u1ed1t<\/strong>, \u0111\u1eb7c bi\u1ec7t \u1edf m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 \u0111\u1ed9 \u1ea9m cao. Nh\u1edd l\u1edbp ph\u1ee7 PVC ho\u1eb7c TPU b\u1ec1n, c\u00e1c nam ch\u00e2m v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c l\u1ef1c v\u00e0 v\u1ebb ngo\u00e0i sau nhi\u1ec1u l\u1ea7n s\u1eed d\u1ee5ng v\u00e0 gi\u1eb7t gi\u0169.<\/p>\n<h3>T\u1ea1i sao ch\u1ecdn Nam ch\u00e2m may neodymium ch\u1ecbu n\u01b0\u1edbc?<\/h3>\n<table>\n<thead>\n<tr>\n<th>L\u1ee3i \u00edch<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>V\u1eefng ch\u1eafc<\/strong><\/td>\n<td>Kh\u00f3a an to\u00e0n cho v\u1ea3i n\u1eb7ng v\u00e0 t\u00fai x\u00e1ch<\/td>\n<\/tr>\n<tr>\n<td><strong>Ho\u00e0n thi\u1ec7n v\u00f4 h\u00ecnh<\/strong><\/td>\n<td>C\u00e1c ph\u1ee5 ki\u1ec7n \u1ea9n gi\u1eef thi\u1ebft k\u1ebf g\u1ecdn g\u00e0ng v\u00e0 m\u01b0\u1ee3t m\u00e0<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng n\u01b0\u1edbc<\/strong><\/td>\n<td>Nam ch\u00e2m \u0111\u01b0\u1ee3c ph\u1ee7 ch\u1ed1ng r\u1ec9 v\u00e0 \u0103n m\u1ed5ng<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u00e1ng tr\u1ea7y x\u01b0\u1edbc<\/strong><\/td>\n<td>C\u00e1c b\u1ec1 m\u1eb7t b\u1ec1n kh\u00f4ng c\u00f3 d\u1ea5u m\u00f2n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u1ec5 may<\/strong><\/td>\n<td>Nh\u1eb9 v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi kim ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ngo\u00e0i ra, ch\u00fang d\u1ec5 may v\u00e0o m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng ni\u00eam phong ch\u1ed1ng n\u01b0\u1edbc ho\u1eb7c l\u00e0m gi\u1ea3m c\u00f4ng su\u1ea5t c\u1ee7a nam ch\u00e2m. Vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng n\u00e0y gi\u00fap c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 ng\u01b0\u1eddi l\u00e0m th\u1ee7 c\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 r\u00f5 n\u00e9t, v\u00f4 h\u00ecnh nhanh ch\u00f3ng.<\/p>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng nam ch\u00e2m may n\u00e0y c\u00f3 ngh\u0129a l\u00e0 qu\u1ea7n \u00e1o, t\u00fai x\u00e1ch, r\u00e8m ho\u1eb7c c\u00e1c s\u1ea3n ph\u1ea9m d\u1ec7t c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 tr\u00f4ng tuy\u1ec7t m\u00e0 c\u00f2n ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eddi gian \u2014 ngay c\u1ea3 v\u1edbi vi\u1ec7c gi\u1eb7t gi\u0169 th\u01b0\u1eddng xuy\u00ean v\u00e0 ti\u1ebfp x\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1. \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 l\u1edbp ph\u1ee7 nam ch\u00e2m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n, h\u00e3y xem h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/nbaem.com\/vi\/magnet-coating\/\" target=\"_blank\" rel=\"noopener\">l\u1edbp ph\u1ee7 nam ch\u00e2m<\/a>.<\/p>\n<h2>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong th\u1eddi trang v\u00e0 gia \u0111\u00ecnh<\/h2>\n<p>Nam ch\u00e2m may neodymium ch\u1ed1ng n\u01b0\u1edbc r\u1ea5t linh ho\u1ea1t, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn y\u00eau th\u00edch trong c\u1ea3 thi\u1ebft k\u1ebf th\u1eddi trang v\u00e0 ng\u00f4i nh\u00e0. B\u1ea1n s\u1ebd th\u1ea5y ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 <strong>\u0111\u00f3ng v\u00ed v\u00f4 h\u00ecnh<\/strong> v\u00e0 <strong>c\u00e1c n\u00fat t\u1eeb t\u00ednh \u1ea9n<\/strong> tr\u00ean \u00e1o kho\u00e1c, t\u00fai x\u00e1ch v\u00e0 c\u1ea3 r\u00e8m, mang l\u1ea1i s\u1ef1 tinh t\u1ebf, <strong>nam ch\u00e2m \u1ea9n m\u1ea1nh cho t\u00fai x\u00e1ch<\/strong> v\u00e0 c\u00e1c v\u1eadt d\u1ee5ng d\u1ec7t m\u00e0 kh\u00f4ng c\u1ea7n n\u00fat hay kh\u00f3a k\u00e9o c\u1ed3ng k\u1ec1nh.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 ng\u01b0\u1eddi l\u00e0m th\u1ee7 c\u00f4ng, nh\u1eefng <strong>nam ch\u00e2m c\u00f3 th\u1ec3 gi\u1eb7t \u0111\u01b0\u1ee3c v\u00e0 kh\u00e2u \u0111\u01b0\u1ee3c<\/strong> l\u00fd t\u01b0\u1edfng cho c\u00e1c d\u1ef1 \u00e1n s\u00e1ng t\u1ea1o, \u0111\u1eb7c bi\u1ec7t khi l\u00e0m s\u1ed1 l\u01b0\u1ee3ng l\u1edbn cho trang ph\u1ee5c, ngh\u1ec1 th\u1ee7 c\u00f4ng t\u1ef1 l\u00e0m, ho\u1eb7c qu\u1ea7n \u00e1o t\u00f9y ch\u1ec9nh. \u0110\u1ed9 b\u1ec1n v\u00e0 t\u00ednh ch\u1ed1ng n\u01b0\u1edbc c\u1ee7a ch\u00fang c\u00f3 ngh\u0129a l\u00e0 ch\u00fang v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t ngay c\u1ea3 trong trang ph\u1ee5c v\u1eadn \u0111\u1ed9ng ho\u1eb7c ngo\u00e0i tr\u1eddi.<\/p>\n<p>Ngo\u00e0i l\u0129nh v\u1ef1c th\u1eddi trang, nh\u1eefng nam ch\u00e2m n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft trong ng\u00e0nh d\u1ec7t may \u0111\u1eb7c bi\u1ec7t \u2014 h\u00ecnh dung c\u00e1c trang ph\u1ee5c y t\u1ebf c\u1ea7n m\u1edf kh\u00f3a an to\u00e0n nh\u01b0ng d\u1ec5 m\u1edf, trang thi\u1ebft b\u1ecb chi\u1ebfn thu\u1eadt y\u00eau c\u1ea7u ph\u1ea7n \u0111\u00f3ng an to\u00e0n d\u01b0\u1edbi \u00e1p l\u1ef1c, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c th\u00f9 kh\u00e1c n\u01a1i \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh l\u00e0 quan tr\u1ecdng. Nh\u1eefng nam ch\u00e2m n\u00e0y cung c\u1ea5p gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady cho nhi\u1ec1u m\u1ee5c \u0111\u00edch th\u1ef1c t\u1ebf, k\u1ebft h\u1ee3p s\u1ef1 ti\u1ec7n l\u1ee3i v\u1edbi \u0111\u1ed9 b\u1ec1n.<\/p>\n<p>&nbsp;<\/p>\n<h2>Ch\u1ecdn nam ch\u00e2m neo c\u1ee9ng n\u01b0\u1edbc cho may v\u00e1 \u0111\u00fang c\u00e1ch<\/h2>\n<p>L\u1ef1a ch\u1ecdn nam ch\u00e2m neo c\u1ee9ng n\u01b0\u1edbc ho\u00e0n h\u1ea3o b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c hi\u1ec3u v\u1ea3i v\u00e0 nhu c\u1ea7u d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. \u0110\u00e2y l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn nhanh \u0111\u1ec3 gi\u00fap b\u1ea1n quy\u1ebft \u0111\u1ecbnh:<\/p>\n<h3>\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1ea3i v\u00e0 nhu c\u1ea7u d\u1ef1 \u00e1n<\/h3>\n<ul>\n<li><strong>V\u1ea3i m\u1ecfng (v\u00ed d\u1ee5: l\u1ee5a, cotton):<\/strong> S\u1eed d\u1ee5ng nam ch\u00e2m nh\u1ecf h\u01a1n, c\u00f3 \u0111\u1ed9 m\u1ea1nh th\u1ea5p h\u01a1n (N35\u2013N42) \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ea1i.<\/li>\n<li><strong>V\u1ea3i trung b\u00ecnh (v\u00ed d\u1ee5: denim, canvas):<\/strong> Nam ch\u00e2m k\u00edch th\u01b0\u1edbc trung b\u00ecnh (N42\u2013N48) ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ec3 c\u00e2n b\u1eb1ng v\u00e0 gi\u1eef l\u1ef1c.<\/li>\n<li><strong>V\u1ea3i d\u00e0y\/ n\u1eb7ng (v\u00ed d\u1ee5: da, \u00e1o kho\u00e1c d\u00e0y):<\/strong> Ch\u1ecdn nam ch\u00e2m l\u1edbn h\u01a1n, m\u1ea1nh h\u01a1n (N48\u2013N52) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u1eef ch\u1eb7t.<\/li>\n<\/ul>\n<h3>So s\u00e1nh Neodymium v\u1edbi nam ch\u00e2m Ferrite v\u00e0 nam ch\u00e2m nh\u1ef1a<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i nam ch\u00e2m<\/th>\n<th>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/th>\n<th>\u0110\u1ed9 b\u1ec1n<\/th>\n<th>Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc<\/th>\n<th>Ph\u00f9 h\u1ee3p v\u1edbi<\/th>\n<th>Gi\u00e1 th\u00e0nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Neodymi<\/strong><\/td>\n<td>R\u1ea5t m\u1ea1nh<\/td>\n<td>Cao<\/td>\n<td>Xu\u1ea5t s\u1eafc (v\u1edbi l\u1edbp ph\u1ee7 PVC\/TPU)<\/td>\n<td>Qu\u1ea7n \u00e1o, t\u00fai x\u00e1ch, d\u1ef1 \u00e1n ch\u1ed1ng n\u01b0\u1edbc \u1edf m\u1ee9c cao<\/td>\n<td>V\u1eeba ph\u1ea3i \u0111\u1ebfn cao<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/en.wikipedia.org\/wiki\/Ferrite_(magnet)\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>S\u1eaft ferrit<\/strong><\/span><\/a><\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>H\u1ea1n ch\u1ebf<\/td>\n<td>Ngu\u1ed3n ng\u00e2n s\u00e1ch l\u00e0m th\u1ee7 c\u00f4ng, \u0111\u00f3ng m\u1edf nh\u1eb9<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td><strong>Nh\u1ef1a<\/strong><\/td>\n<td>Th\u1ea5p<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>T\u1ed1t<\/td>\n<td>S\u1eed d\u1ee5ng t\u1ea1m th\u1eddi, d\u1ef1 \u00e1n cho tr\u1ebb em<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nam ch\u00e2m neodymium cho l\u1ef1c h\u00fat v\u01b0\u1ee3t tr\u1ed9i ngay c\u1ea3 \u1edf k\u00edch th\u01b0\u1edbc nh\u1ecf, thi\u1ebft y\u1ebfu cho c\u00e1c snap t\u1eeb t\u00ednh \u1ea9n v\u00e0 kh\u00f3a v\u00ed v\u00f4 h\u00ecnh.<\/p>\n<h3>L\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc &amp; c\u1ea5p \u0111\u1ed9 k\u00e8m m\u1eb9o c\u1ef1c t\u00ednh<\/h3>\n<ul>\n<li><strong>C\u00e1c c\u1ea5p N35 \u0111\u1ebfn N52<\/strong> t\u01b0\u1ee3ng tr\u01b0ng cho l\u1ef1c t\u1eeb; c\u1ea5p \u0111\u1ed9 cao h\u01a1n c\u00f3 ngh\u0129a l\u00e0 l\u1ef1c h\u00fat m\u1ea1nh h\u01a1n.<\/li>\n<li>Gh\u00e9p \u0111\u00f4i nam ch\u00e2m m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn sao cho c\u1ef1c \u0111\u1ed1i di\u1ec7n nhau \u0111\u1ec3 gi\u1eef ch\u1eb7t.<\/li>\n<li>Ch\u1ecdn k\u00edch th\u01b0\u1edbc d\u1ef1a tr\u00ean lo\u1ea1i \u0111\u00f3ng m\u1edf:\n<ul>\n<li>\u0110\u0129a nh\u1ecf (12x2mm) cho n\u00fat \u1ea9n ho\u1eb7c trang ph\u1ee5c nh\u1eb9.<\/li>\n<li>\u0110\u0129a l\u1edbn h\u01a1n (18\u00d72.5mm+) cho s\u1eed d\u1ee5ng n\u1eb7ng nh\u01b0 t\u00fai x\u00e1ch ho\u1eb7c \u00e1o kho\u00e1c.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n \u0111\u1ed9 b\u1ec1n nam ch\u00e2m \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, h\u00e3y xem x\u00e9t <a href=\"https:\/\/nbaem.com\/vi\/how-long-do-magnets-last\/\" target=\"_blank\" rel=\"noopener\">bao l\u00e2u nam ch\u00e2m c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng<\/a> \u0111\u1ec3 ch\u1ecdn \u0111\u00fang c\u1ea5p \u0111\u1ed9 v\u00e0 lo\u1ea1i cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n<p>B\u1eb1ng c\u00e1ch c\u00e2n b\u1eb1ng \u0111\u1ed9 d\u00e0y v\u1ea3i, k\u00edch th\u01b0\u1edbc nam ch\u00e2m v\u00e0 l\u1ef1c, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t c\u1eeda kh\u00f3a t\u1eeb m\u1ea1nh, ch\u1ecbu n\u01b0\u1edbc, h\u00f2a quy\u1ec7n v\u1edbi thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng hy sinh \u0111\u1ed9 b\u1ec1n hay phong c\u00e1ch.<\/p>\n<h2>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t t\u1eebng b\u01b0\u1edbc cho nam ch\u00e2m may t\u1eeb Neodymium ch\u1ecbu n\u01b0\u1edbc<\/h2>\n<p>L\u1eafp \u0111\u1eb7t \u0111\u00fang nam ch\u00e2m may t\u1eeb Neodymium ch\u1ecbu n\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o \u0111\u00f3ng m\u1edf m\u1ea1nh m\u1ebd, b\u1ec1n v\u00e0 v\u00f4 h\u00ecnh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch l\u00e0m cho \u0111\u00fang:<\/p>\n<h3>D\u1ee5ng c\u1ee5 v\u00e0 chu\u1ea9n b\u1ecb c\u1ea7n thi\u1ebft<\/h3>\n<ul>\n<li><strong>Kim v\u00e0 ch\u1ec9 polyester ho\u1eb7c nylon ch\u1eafc ch\u1eafn<\/strong>: Nh\u1eefng d\u1ee5ng c\u1ee5 n\u00e0y ch\u1ecbu \u0111\u01b0\u1ee3c v\u1ea3i d\u00e0y v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a nam ch\u00e2m.<\/li>\n<li><strong>K\u00e9o c\u1eaft v\u1ea3i<\/strong> cho \u0111\u01b0\u1eddng c\u1eaft s\u1ea1ch quanh khu v\u1ef1c may c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>B\u1ea3n nh\u00e1p ho\u1eb7c k\u1eb9p v\u1ea3i<\/strong> \u0111\u1ec3 gi\u1eef nam ch\u00e2m t\u1ea1i ch\u1ed7 trong khi may.<\/li>\n<li><strong>B\u1ed9 th\u01b0\u1edbc \u0111o ho\u1eb7c th\u01b0\u1edbc d\u00e2y<\/strong> cho v\u1ecb tr\u00ed ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o c\u0103n ch\u1ec9nh \u0111\u00fang.<\/li>\n<li><strong>T\u00f9y ch\u1ecdn: D\u1ee5ng c\u1ee5 x\u00e9 \u0111\u01b0\u1eddng may<\/strong> n\u1ebfu c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n<\/ul>\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u, th\u1eed nam ch\u00e2m tr\u00ean v\u1ea3i \u0111\u1ec3 ki\u1ec3m tra l\u1ef1c k\u00e9o v\u00e0 v\u1ecb tr\u00ed. \u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o n\u01a1i l\u00e0m vi\u1ec7c s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4 r\u00e1o \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng l\u1edbp ph\u1ee7 ch\u1ed1ng th\u1ea5m PVC ho\u1eb7c TPU.<\/p>\n<h3>K\u1ef9 thu\u1eadt may \u0111\u1ec3 b\u1ea3o to\u00e0n khe k\u00edn ch\u1ed1ng th\u1ea5m v\u00e0 \u0111\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m<\/h3>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng ki\u1ec3u ch\u1ec9 k\u00edn, \u0111\u1ec1u<\/strong>: May b\u1eb1ng tay v\u1edbi c\u00e1c v\u1ebft may l\u00f9i nh\u1ecf ho\u1eb7c d\u00f9ng m\u00e1y may \u1edf ch\u1ebf \u0111\u1ed9 ch\u1eadm l\u00e0 t\u1ed1t nh\u1ea5t.<\/li>\n<li><strong>Tr\u00e1nh \u0111\u00e2m th\u1ee7ng b\u1ec1 m\u1eb7t nam ch\u00e2m nhi\u1ec1u l\u1ea7n<\/strong> \u0111\u1ec3 gi\u1eef l\u1edbp ph\u1ee7 ch\u1ed1ng th\u1ea5m nguy\u00ean v\u1eb9n \u2014 ch\u1ec9 may quanh m\u00e9p n\u01a1i l\u1edbp ph\u1ee7 d\u00e0y nh\u1ea5t.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng c\u00e1c m\u0169i may \u1edf \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n, nh\u01b0ng \u0111\u1eebng th\u1eaft ch\u1eb7t qu\u00e1 m\u1ee9c s\u1ee3i ch\u1ec9 v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng h\u00ecnh d\u1ea1ng nam ch\u00e2m.<\/li>\n<li><strong>Kh\u00f3a m\u00e9p n\u1ebfu c\u00f3 th\u1ec3<\/strong> v\u1edbi keo v\u1ea3i ho\u1eb7c dung d\u1ecbch ch\u1ed1ng th\u1ea5m \u0111\u01b0\u1eddng h\u1eb1n, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng n\u1eb7ng th\u01b0\u1eddng ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc.<\/li>\n<\/ul>\n<p>C\u00e1c thi\u1ebft k\u1ebf may-in nam ch\u00e2m ch\u1ed1ng th\u1ea5m \u0111\u00f2i h\u1ecfi c\u00e1ch x\u1eed l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 duy tr\u00ec l\u1ef1c t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, v\u00ec v\u1eady may nh\u1eb9 nh\u00e0ng nh\u01b0ng c\u00f3 th\u1ec3<\/p>\n<h3>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 \u0111\u1ea3m b\u1ea3o c\u0103n ch\u1ec9nh<\/h3>\n<ul>\n<li><strong>L\u1ec7ch nam ch\u00e2m<\/strong> d\u1eabn \u0111\u1ebfn \u0111\u00f3ng k\u00edn y\u1ebfu ho\u1eb7c nam ch\u00e2m b\u1ecb \u0111\u1ea9y l\u1ec7ch. S\u1eed d\u1ee5ng ghim v\u00e0 ki\u1ec3m tra \u0111\u00f3ng k\u00edn th\u01b0\u1eddng xuy\u00ean trong qu\u00e1 tr\u00ecnh may.<\/li>\n<li><strong>Nam ch\u00e2m b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c ho\u1eb7c l\u1ec7ch khi \u1edf trong v\u1ea3i<\/strong>: may t\u00fai ho\u1eb7c mi\u1ebfng v\u1ea3i nh\u1ecf \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh nam ch\u00e2m ch\u1eafc ch\u1eafn.<\/li>\n<li><strong>Kim may b\u1ecb \u0111\u1ee9t ho\u1eb7c m\u0169i ch\u1ec9 l\u1ecfng<\/strong>: ki\u1ec3m tra k\u00edch th\u01b0\u1edbc kim v\u00e0 \u0111\u1ed9 d\u00e0y s\u1ee3i\u2014\u0111i\u1ec1u ch\u1ec9nh khi c\u1ea7n thi\u1ebft cho c\u00e1c lo\u1ea1i v\u1ea3i kh\u00f3 kh\u0103n.<\/li>\n<li><strong>L\u0129nh v\u1ef1c ph\u1ee7 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc b\u1ecb h\u1ecfng<\/strong>: tr\u00e1nh \u0111\u00e2m ho\u1eb7c k\u00e9o c\u0103ng qu\u00e1 m\u1ee9c g\u1ea7n khu v\u1ef1c nam ch\u00e2m.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 \u0111\u1eb7c t\u00ednh v\u00e0 t\u00e1c d\u1ee5ng c\u1ee7a nam ch\u00e2m, vi\u1ec7c kh\u00e1m ph\u00e1 <a href=\"https:\/\/nbaem.com\/vi\/what-factors-affect-the-properties-of-magnet\/\" target=\"_blank\" rel=\"noopener\">c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nam ch\u00e2m<\/a> c\u00f3 th\u1ec3 h\u1eefu \u00edch. L\u00e0m theo nh\u1eefng b\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u00f3ng nam ch\u00e2m t\u1eeb t\u00ednh ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc c\u1ee7a b\u1ea1n lu\u00f4n m\u1ea1nh m\u1ebd, \u0111\u00e1ng tin c\u1eady v\u00e0 l\u00e2u d\u00e0i.<\/p>\n<h2>Ch\u0103m s\u00f3c, B\u1ea3o tr\u00ec v\u00e0 An to\u00e0n<\/h2>\n<p>\u0110\u1ec3 gi\u1eef cho nam ch\u00e2m h\u00e0n t\u1eeb neodymium ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o, h\u00e3y l\u00e0m theo c\u00e1c m\u1eb9o ch\u0103m s\u00f3c v\u00e0 b\u1ea3o tr\u00ec \u0111\u01a1n gi\u1ea3n sau:<\/p>\n<ul>\n<li><strong>H\u01b0\u1edbng d\u1eabn gi\u1eb7t:<\/strong> Nh\u1eefng nam ch\u00e2m n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 gi\u1eb7t m\u00e1y, nh\u1edd l\u1edbp ph\u1ee7 PVC ho\u1eb7c TPU b\u1ec1n b\u1ec9. S\u1eed d\u1ee5ng chu tr\u00ecnh nh\u1eb9 v\u1edbi n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c \u1ea5m, tr\u00e1nh ch\u1ea5t t\u1ea9y v\u00e0 axit m\u1ea1nh \u0111\u1ec3 duy tr\u00ec seal ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u00e0 s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh. Lu\u00f4n s\u1ea5y kh\u00f4 b\u1eb1ng kh\u00f4ng kh\u00ed thay v\u00ec d\u00f9ng nhi\u1ec7t cao.<\/li>\n<li><strong>Ng\u0103n ng\u1eeba g\u1ec9:<\/strong> M\u1eb7c d\u00f9 l\u1edbp ph\u1ee7 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc b\u1ea3o v\u1ec7 kh\u1ecfi \u0111\u1ed9 \u1ea9m, \u0111\u1eebng \u0111\u1ec3 nam ch\u00e2m ti\u1ebfp x\u00fac v\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n k\u00e9o d\u00e0i v\u00e0 kh\u1eafc nghi\u1ec7t nh\u01b0 n\u01b0\u1edbc bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t m\u1ea1nh. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y b\u1ea5t k\u1ef3 h\u01b0 h\u1ea1i n\u00e0o \u1edf l\u1edbp ph\u1ee7, h\u00e3y l\u00e0m s\u1ea1ch v\u00e0 l\u00e0m kh\u00f4 nam ch\u00e2m ngay l\u1eadp t\u1ee9c \u0111\u1ec3 ng\u0103n ng\u1eeba r\u1ec9 s\u00e9t.<\/li>\n<li><strong>C\u00e1c l\u01b0u \u00fd khi x\u1eed l\u00fd:<\/strong> Nam ch\u00e2m neodymium r\u1ea5t m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m, nh\u01b0 th\u1ebb t\u00edn d\u1ee5ng, m\u00e1y t\u1ea1o nh\u1ecbp tim, ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh. Gi\u1eef nam ch\u00e2m tr\u00e1nh xa c\u00e1c thi\u1ebft b\u1ecb n\u00e0y v\u00e0 lu\u00f4n thao t\u00e1c c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh k\u1eb9t ng\u00f3n tay ho\u1eb7c k\u00edch \u1ee9ng da khi nam ch\u00e2m gh\u00e9p l\u1ea1i v\u1edbi nhau.<\/li>\n<li><strong>G\u1ee3i \u00fd l\u01b0u tr\u1eef:<\/strong> L\u01b0u tr\u1eef nam ch\u00e2m sew-in c\u1ee7a b\u1ea1n \u1edf d\u1ea1ng ri\u00eang bi\u1ec7t ho\u1eb7c c\u00f3 kho\u1ea3ng c\u00e1ch \u0111\u1ec3 ng\u0103n ch\u00fang gh\u00e9p l\u1ea1i v\u00e0 y\u1ebfu \u0111i theo th\u1eddi gian. Gi\u1eef ch\u00fang \u1edf n\u01a1i kh\u00f4 r\u00e1o, m\u00e1t m\u1ebb v\u00e0 tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 bi\u1ebft chi ti\u1ebft h\u01a1n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n, quy tr\u00ecnh <a href=\"https:\/\/nbaem.com\/vi\/quality-control\/\">ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/a> \u0111\u1ea3m b\u1ea3o m\u1ed7i nam ch\u00e2m \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n.<\/p>\n<h2>So s\u00e1nh c\u00e1c k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c thay th\u1ebf<\/h2>\n<p>Khi l\u1ef1a ch\u1ecdn <strong>nam ch\u00e2m sew-in neodymium ch\u1ed1ng n\u01b0\u1edbc<\/strong>, k\u00edch th\u01b0\u1edbc v\u00e0 lo\u1ea1i r\u1ea5t quan tr\u1ecdng t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1i nh\u00ecn nhanh v\u1ec1 c\u00e1c k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch ch\u00fang so s\u00e1nh v\u1edbi c\u00e1c lo\u1ea1i nam ch\u00e2m kh\u00e1c.<\/p>\n<table>\n<thead>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc (\u0110\u01b0\u1eddng k\u00ednh x \u0110\u1ed9 d\u00e0y)<\/th>\n<th>M\u1ee9c \u0111\u1ed9 s\u1eed d\u1ee5ng<\/th>\n<th>\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<th>Ph\u1ea1m vi l\u1ef1c k\u00e9o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>12 x 2 mm<\/td>\n<td>M\u1ee9c \u0111\u1ed9 nh\u1eb9<\/td>\n<td>Trang ph\u1ee5c nh\u1eb9, \u0111\u1ed3 th\u1ee7 c\u00f4ng nh\u1ecf<\/td>\n<td>~1.5 \u0111\u1ebfn 2 kg<\/td>\n<\/tr>\n<tr>\n<td>14 x 2.5 mm<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>T\u00fai \u0111\u1ef1ng qu\u1ea7n \u00e1o trung b\u00ecnh<\/td>\n<td>~3 \u0111\u1ebfn 4 kg<\/td>\n<\/tr>\n<tr>\n<td>18 x 2.5 mm<\/td>\n<td>Ch\u1ecbu t\u1ea3i n\u1eb7ng<\/td>\n<td>\u00c1o kho\u00e1c n\u1eb7ng, \u0111\u1ed3 may m\u1eb7c d\u1ee5ng c\u1ee5 nh\u00e0<\/td>\n<td>~5 \u0111\u1ebfn 7 kg<\/td>\n<\/tr>\n<tr>\n<td>25 x 3 mm<\/td>\n<td>Ch\u1ecbu t\u1ea3i si\u00eau n\u1eb7ng<\/td>\n<td>D\u1ee5ng c\u1ee5 t\u00e1c chi\u1ebfn, v\u1eadt d\u1ee5ng ngo\u00e0i tr\u1eddi c\u1ee1 l\u1edbn<\/td>\n<td>10+ kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>D\u00e1n keo so v\u1edbi kh\u00e2u \u0111\u00ednh v\u00e0 nam ch\u00e2m ferrite<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i nam ch\u00e2m<\/th>\n<th>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/th>\n<th>Gi\u00e1 th\u00e0nh<\/th>\n<th>Ch\u1ed1ng n\u01b0\u1edbc<\/th>\n<th>Sewing Ease<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sew-in Neodymium Magnets<\/td>\n<td>Very strong pull force<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Yes (PVC\/TPU coated)<\/td>\n<td>Easy to sew, neat finish<\/td>\n<\/tr>\n<tr>\n<td>Adhesive Magnets<\/td>\n<td>Moderate strength<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Depends on adhesive<\/td>\n<td>No sewing, less durable<\/td>\n<\/tr>\n<tr>\n<td>Nam ch\u00e2m ferrite<\/td>\n<td>\u0110\u1ed9 m\u1ea1nh t\u1eeb th\u1ea5p h\u01a1n<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Sometimes waterproof<\/td>\n<td>Bulkier, limited sewing use<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><strong>Sew-in neodymium waterproof magnets<\/strong> offer the best combination of strength, durability, and invisibility, making them the go-to choice for reliable, long-lasting closures.<\/li>\n<li><strong>Adhesive magnets<\/strong> ph\u00f9 h\u1ee3p cho c\u00e1c s\u1eeda ch\u1eefa nhanh ho\u1eb7c b\u1ec1 m\u1eb7t kh\u00f4ng v\u1ea3i nh\u01b0ng th\u01b0\u1eddng thi\u1ebfu \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc.<\/li>\n<li><strong>Nam ch\u00e2m ferrite<\/strong> r\u1ebb h\u01a1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n nh\u01b0ng c\u1ed3ng k\u1ec1nh h\u01a1n v\u00e0 kh\u00f4ng m\u1ea1nh b\u1eb1ng nam ch\u00e2m neodymium, gi\u1edbi h\u1ea1n s\u1eed d\u1ee5ng trong v\u1ea3i nh\u1eb9 ho\u1eb7c tinh vi.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<h3>Nam ch\u00e2m may neodymium ch\u1ed1ng n\u01b0\u1edbc c\u00f3 th\u1ec3 gi\u1eb7t b\u1eb1ng m\u00e1y kh\u00f4ng?<\/h3>\n<p>V\u00e2ng, h\u1ea7u h\u1ebft c\u00e1c n\u00fat nam ch\u00e2m neodymium ch\u1ed1ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c gi\u1eb7t m\u00e1y. T\u00ecm c\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng PVC ho\u1eb7c TPU \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t nh\u1ea5t. Lu\u00f4n gi\u1eb7t b\u1eb1ng n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c \u1ea5m v\u00e0 tr\u00e1nh ch\u1ea5t t\u1ea9y r\u1eeda m\u1ea1nh \u0111\u1ec3 gi\u1eef nguy\u00ean sealing ch\u1ed1ng n\u01b0\u1edbc.<\/p>\n<h3>T\u00f4i n\u00ean ch\u1ecdn l\u1ef1c k\u00e9o n\u00e0o cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh?<\/h3>\n<p>L\u1ef1c k\u00e9o ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>L\u1ef1c k\u00e9o khuy\u1ebfn ngh\u1ecb (kg)<\/th>\n<th>V\u00ed d\u1ee5 k\u00edch th\u01b0\u1edbc nam ch\u00e2m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\u1eed d\u1ee5ng nh\u1eb9 (v\u00ed d\u1ee5: qu\u1ea7n \u00e1o nh\u1eb9)<\/td>\n<td>1-3 kg<\/td>\n<td>12x2mm<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng trung b\u00ecnh (v\u00ed d\u1ee5: t\u00fai x\u00e1ch, v\u00ed)<\/td>\n<td>4-6 kg<\/td>\n<td>14\u00d72.5mm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec1u t\u1ea3i (v\u00ed d\u1ee5: \u00e1o kho\u00e1c, thi\u1ebft b\u1ecb t\u00e1c chi\u1ebfn)<\/td>\n<td>7+ kg<\/td>\n<td>18\u00d72.5mm ho\u1eb7c 25x3mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ch\u1ecdn nam ch\u00e2m c\u00f3 c\u1ea5p \u0111\u1ed9 cao h\u01a1n (N42-N52) \u0111\u1ec3 gi\u1eef l\u1ef1c m\u1ea1nh h\u01a1n.<\/p>\n<h3>D\u00f9 ph\u1ee7 PVC v\u00e0 TPU c\u00f3 t\u1ed1t nh\u01b0 nhau cho ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/h3>\n<ul>\n<li><strong>Ph\u1ee7 PVC:<\/strong> B\u1ec1n v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc ch\u1eafc ch\u1eafn, l\u00fd t\u01b0\u1edfng cho ng\u01b0\u1eddi d\u00f9ng chung v\u00e0 c\u00e1c d\u1ef1 \u00e1n c\u00f3 th\u1ec3 gi\u1eb7t b\u1eb1ng m\u00e1y.<\/li>\n<li><strong>Ph\u1ee7 TPU:<\/strong> D\u1ec5 u\u1ed1n cong v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c v\u1ea3i ngo\u00e0i tr\u1eddi th\u00f4 r\u00e1p ho\u1eb7c ch\u1ecbu hao m\u00f2n cao.<\/li>\n<\/ul>\n<p>C\u1ea3 hai \u0111\u1ec1u b\u1ea3o v\u1ec7 l\u00f5i NdFeB kh\u1ecfi r\u1ec9 s\u00e9t v\u00e0 \u0103n m\u00f2n nh\u01b0ng TPU ch\u1ecbu u\u1ed1n cong v\u00e0 c\u0103ng th\u1eb3ng t\u1ed1t h\u01a1n.<\/p>\n<h3>C\u00f3 n\u00ean \u0111\u1eb7t bao nhi\u00eau c\u1eb7p nam ch\u00e2m cho m\u1ed7i d\u1ef1 \u00e1n?<\/h3>\n<ul>\n<li>C\u00e1c d\u1ef1 \u00e1n nh\u1ecf (v\u00ed d\u1ee5 nh\u01b0 m\u1ed9t chi\u1ebfc v\u00ed ho\u1eb7c \u00e1o kho\u00e1c) th\u01b0\u1eddng c\u1ea7n 2-4 c\u1eb7p.<\/li>\n<li>V\u1ea3i l\u1edbn h\u01a1n ho\u1eb7c nhi\u1ec1u kh\u00f3a \u0111\u00f3ng l\u1ea1i \u0111\u00f2i h\u1ecfi nhi\u1ec1u c\u1eb7p h\u01a1n d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc v\u00e0 nhu c\u1ea7u bu\u1ed9c ch\u1eb7t.<\/li>\n<li>\u0110\u1ed1i v\u1edbi \u0111\u01a1n \u0111\u1eb7t h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 s\u1ed1 l\u01b0\u1ee3ng t\u00f9y ch\u1ec9nh, tham kh\u1ea3o c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 NBAEM \u0111\u1ec3 linh ho\u1ea1t MOQ v\u00e0 t\u00f9y ch\u1ecdn OEM.<\/li>\n<\/ul>\n<p>\u0110\u1eb7t h\u00e0ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 th\u00eam nam ch\u00e2m \u0111\u1ec3 th\u1eed nghi\u1ec7m ho\u1eb7c cho c\u00e1c d\u1ef1 \u00e1n t\u01b0\u01a1ng lai.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2>Th\u00f4ng tin li\u00ean h\u1ec7<\/h2>\n<p>Nam ch\u00e2m may t\u1eeb Neodymium ch\u1ed1ng n\u01b0\u1edbc t\u1eeb NBAEM c\u00f3 s\u1ee9c m\u1ea1nh, \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh v\u00f4 h\u00ecnh v\u01b0\u1ee3t tr\u1ed9i trong vi\u1ec7c kh\u00f3a cho v\u1ea3i, qu\u1ea7n \u00e1o, t\u00fai x\u00e1ch v\u00e0 th\u1ee7 c\u00f4ng. C\u00e1c l\u1edbp ph\u1ee7 PVC v\u00e0 TPU ch\u1ed1ng n\u01b0\u1edbc c\u1ee7a ch\u00fang \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ec9 s\u00e9t, m\u00e0i m\u00f2n v\u00e0 gi\u1eb7c m\u00e1y, l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c d\u1ef1 \u00e1n ngo\u00e0i tr\u1eddi v\u00e0 s\u1eed d\u1ee5ng n\u1eb7ng. So v\u1edbi c\u00e1c lo\u1ea1i ph\u1ee5 ki\u1ec7n truy\u1ec1n th\u1ed1ng v\u00e0 c\u00e1c lo\u1ea1i nam ch\u00e2m kh\u00e1c, c\u00e1c nam ch\u00e2m may n\u00e0y mang l\u1ea1i th\u1ea9m m\u1ef9 s\u1ea1ch s\u1ebd v\u00e0 hi\u1ec7u su\u1ea5t tin c\u1eady.<\/p>\n<p>\u0110\u1ec3 \u0111\u1eb7t h\u00e0ng m\u1eabu ho\u1eb7c nam ch\u00e2m may neodymium ch\u1ed1ng n\u01b0\u1edbc t\u00f9y ch\u1ec9nh v\u00e0 kh\u00e1m ph\u00e1 ph\u1ea1m vi s\u1ea3n ph\u1ea9m c\u1ee7a NBAEM, h\u00e3y gh\u00e9 th\u0103m h\u1ecd <a href=\"https:\/\/nbaem.com\/vi\/contact-us\/\" target=\"_blank\" rel=\"noopener\">Trang \u0111\u00edch ch\u00ednh th\u1ee9c<\/a>. Li\u00ean h\u1ec7 \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng, k\u00edch th\u01b0\u1edbc v\u00e0 l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1c v\u1ea3i v\u00e0 m\u1ee5c ti\u00eau d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<p>Ch\u00fang t\u00f4i khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00f9ng chia s\u1ebb c\u00e1c \u1ee9ng d\u1ee5ng s\u00e1ng t\u1ea1o v\u00e0 ph\u1ea3n h\u1ed3i c\u1ee7a h\u1ecd sau khi th\u1eed nam ch\u00e2m may v\u00e0o NBAEM\u2014\u00fd ki\u1ebfn c\u1ee7a b\u1ea1n gi\u00fap \u0111\u1ecbnh h\u00ecnh c\u00e1c c\u1ea3i ti\u1ebfn trong t\u01b0\u01a1ng lai!<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 nam ch\u00e2m may neodymium ch\u1ed1ng n\u01b0\u1edbc b\u1ec1n, l\u1ef1c k\u00e9o m\u1ea1nh, ho\u00e0n h\u1ea3o cho c\u00e1c kh\u00f3a t\u1eeb v\u00f4 h\u00ecnh, c\u00f3 th\u1ec3 gi\u1eb7t \u0111\u01b0\u1ee3c tr\u00ean qu\u1ea7n \u00e1o v\u00e0 \u0111\u1ed3 th\u1ee7 c\u00f4ng<\/p>","protected":false},"author":1,"featured_media":3514,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Waterproof_Neodymium_Sewing_Magnets_gHCu9FoEV.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=3515"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3515\/revisions"}],"predecessor-version":[{"id":3546,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3515\/revisions\/3546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3514"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}