{"id":1856,"date":"2025-08-11T02:44:56","date_gmt":"2025-08-11T02:44:56","guid":{"rendered":"https:\/\/nbaem.com\/?p=1856"},"modified":"2025-08-11T04:25:13","modified_gmt":"2025-08-11T04:25:13","slug":"what-is-a-rare-earth-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/nl_be\/what-is-a-rare-earth-magnet\/","title":{"rendered":"What Is a Rare Earth Magnet"},"content":{"rendered":"<p>Bent u benieuwd naar <strong>what a rare earth magnet is<\/strong> and why it keeps popping up in high-tech devices and industrial applications? If you\u2019ve ever wondered what makes these magnets stand out from regular ones, you\u2019re in the right place. Rare earth magnets are some of the strongest permanent magnets available today, powering everything from electric vehicles to your smartphone\u2019s speakers.<\/p>\n<p>In this post, you\u2019ll get a clear, no-nonsense explanation of <strong>zeldzame aard magneten<\/strong>, their types, key properties, and why they\u2019re essential in modern technology. Whether you\u2019re a student, engineer, or just magnet-curious, by the end of this guide you\u2019ll understand why these magnets are game changers \u2014 and how NBAEM can help you source the perfect magnet for your project.<\/p>\n<p>Let\u2019s get started!<\/p>\n<div id=\"attachment_1551\" style=\"width: 628px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1551\" class=\"wp-image-1551\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth.jpg\" alt=\"rare earth\" width=\"618\" height=\"348\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-200x113.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-300x169.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-400x225.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-600x338.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-768x432.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-800x450.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-1024x576.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-1200x675.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth-1536x864.jpg 1536w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Rare-earth.jpg 1920w\" sizes=\"(max-width: 618px) 100vw, 618px\" \/><p id=\"caption-attachment-1551\" class=\"wp-caption-text\">rare earth<\/p><\/div>\n<h2>What Exactly Are Rare Earth Magnets<\/h2>\n<h3>Definition of rare earth magnets<\/h3>\n<p><strong>If you\u2019re asking what is a rare earth magnet, the short answer is: a permanent magnet made from alloys that include rare earth elements, most commonly neodymium or samarium. The two dominant types are neodymium-iron-boron (NdFeB) and samarium-cobalt (SmCo). These magnets produce much stronger magnetic fields than conventional permanent magnets of the same size.<\/strong><\/p>\n<h3>What the term rare earth means<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>How they differ from traditional magnets<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h2>what is a rare earth magnet Types<\/h2>\n<h3>Neodymium magnets NdFeB<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<h3>Samarium cobalt SmCo<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<h3>Quick comparison NdFeB vs SmCo<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/strong> cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>Temperature stability: <strong>SmCo &gt; NdFeB<\/strong> (SmCo keeps performance at higher temps).<\/li>\n<li>Corrosieweerstand: <strong>SmCo better<\/strong>; NdFeB usually requires coatings.<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits <strong>SmCo is pricier<\/strong>; NdFeB is generally cheaper and widely available.<\/li>\n<li>Use cases: choose NdFeB for size\/strength and cost; choose SmCo for high temps, corrosive or demanding environments.<\/li>\n<\/ul>\n<h3>Other rare earth options and variants<\/h3>\n<ul>\n<li>Additives like <strong>dysprosium<\/strong> and terbium are mixed into NdFe to boost temperature tolerance and coercivity.<\/li>\n<li>Bonded (plastic\u2011mixed) rare earth magnets offer complex shapes and safer handling but lower strength than sintered types.<\/li>\n<li>Thin\u2011film and microfabricated rare earth magnets are used in sensors and precision electronics.<\/li>\n<li>Compared withite and alnico magnets, rare earth metal magnets deliver far higher magnetic strength for the same size, which is why they dominate modern electronics, EVs, and clean tech.<\/li>\n<\/ul>\n<h2>Properties and Characteristics of Rare Earth Magnets<\/h2>\n<p>\u2019ll break down the key traits you need know when choosing rare earth metal magnets like neodymium and samarium cobalt.<\/p>\n<h3>Magnetic strength and coercivity<\/h3>\n<ul>\n<li><strong>Magnetic strength (Remanence Br)<\/strong> \u2014 how strong a magnet is on its own. Measured in tesla (T) or gauss. Neodymium magnets are the strongest common type (neodymium magnet properties often show Br up ~1.2\u20131.4 T), so you can get high pull force in a tiny package.<\/li>\n<li><strong>Coerciviteit (weerstand tegen demagnetisatie)<\/strong> \u2014 how well a magnet resists losing its magnetism from opposing fields or heat. High coercivity matters for motors and sensors where stray fields or reversing loads occur. SmCo typically has higher coercivity than standard NdFeB.<\/li>\n<\/ul>\n<h3>Temperature tolerance<\/h3>\n<ul>\n<li>Heat reduces magnetic strength. I always check the max operating temperature before ordering.<\/li>\n<li>Typical ranges:\n<ul>\n<li>NdFeB: standard grades ~80\u00b0C, special high-temp grades up to ~150\u2013200\u00b0C.<\/li>\n<li>SmCo: more stable at high temps, often usable up to ~250\u00b0C or higher.<\/li>\n<\/ul>\n<\/li>\n<li>Exceeding the limit can cause partial or permanent loss of strength.<\/li>\n<\/ul>\n<h3>Corrosion and demagnetization<\/h3>\n<ul>\n<li>NdFeB contains iron so it corrodes easily if uncoated. Common coatings: <strong>Ni-Cu-Ni (nickel), epoxy, zinc, and gold plating<\/strong>. Coatings protect against rust and improve longevity.<br \/>\n-Co is naturally more corrosion resistant and needs less coating.<\/li>\n<li>Mechanical shock, strong opposing fields, or improper storage can demagnet<\/li>\n<\/ul>\n<h2>How Are Rare Earth Magnets Made what is a rare earth magnet<\/h2>\n<p>I\u2019ll walk you through the rare earth magnet manufacturing process in plain terms so you know what goes into the magnets used in everything from EV motors to headphones.<\/p>\n<h3>Powder production and pressing<\/h3>\n<ul>\n<li>Raw metal ores (usually containing neodymium or samarium) are refined into alloys, then atomized or milled into a fine powder.<\/li>\n<li>The powder is pressed into a mold while aligned in a magnetic field so the grain orientation improves magnetic strength (this step matters for neodymium magnet properties).<\/li>\n<li>Pressing can be done isostatically (even pressure) or by die pressing for specific shapes.<\/li>\n<\/ul>\n<h3>Sintering and machining<\/h3>\n<ul>\n<li>Sintering: pressed parts are heated below melting point to bond particles into a dense solid. This produces sintered magnets with very high magnetic strength and good mechanical properties.<\/li>\n<li>After sintering, parts are machined (grinding, EDM) to tight tolerances. Sintered NdFeB is brittle, so machining needs care.<\/li>\n<\/ul>\n<h3>Sintering vs bonded magnet processes<\/h3>\n<ul>\n<li>Bonded magnets use magnetic powder mixed with a polymer binder, then injection molded or extruded. They\u2019re weaker than sintered but are good for complex shapes and thin sections.<\/li>\n<li>Quick comparison<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Functie<\/th>\n<th style=\"text-align: right;\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/th>\n<th>Gecoate magneten<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Magnetische sterkte<\/td>\n<td style=\"text-align: right;\">Zeer hoog<\/td>\n<td>Gematigd<\/td>\n<\/tr>\n<tr>\n<td>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<td style=\"text-align: right;\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<td>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<\/tr>\n<tr>\n<td>Kost<\/td>\n<td style=\"text-align: right;\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<td>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<\/tr>\n<tr>\n<td>Temperature stability<\/td>\n<td style=\"text-align: right;\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<td>Lager<\/td>\n<\/tr>\n<tr>\n<td>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<td style=\"text-align: right;\">cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<td>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Raw material sourcing and quality control<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<br \/>\ncURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<h3>Post processing coating magnetizing and testing<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Common Applications Rare Earth Magnets what is a rare earth magnet<\/h2>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>Elektronica<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<h3>Hernieuwbare Energie<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>Electric vehicle (EV) motors and drivetrains \u2014 neodymium magnets are common for power-dense, compact motors.<\/li>\n<li>Power electronics and clean tech components where strength-to-size matters.<\/li>\n<\/ul>\n<h3>Medical Equipment<\/h3>\n<ul>\n<li>MRI components and positioning fixtures (note main MRI magnets are superconducting) \u2014 rare earth magnets help in sensors and precision instruments.<\/li>\n<li>Surgical tools, hearing devices, and lab instruments that need reliable, small magnetic assemblies.<\/li>\n<\/ul>\n<h3>Industri\u00eble Toepassingen<\/h3>\n<ul>\n<li>High-efficiency motors, servo actuators, and generators \u2014 fewer materials for the same output.<\/li>\n<li>Magnetic separators, couplings, and clamps used on shop floors and in processing plants.<\/li>\n<li>Automation and robotics where weight and performance matter.<\/li>\n<\/ul>\n<h3>Consumer Products<\/h3>\n<ul>\n<li>Headphones, earbuds, and portable speakers \u2014 compact sound systems use neodymium magnets.<\/li>\n<li>Magnetic fasteners, closures, toys, and everyday gadgets \u2014 strong hold in small sizes.<\/li>\n<\/ul>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<ul>\n<li>For high-temp or corrosive settings consider samarium cobalt magnet uses for better stability.<\/li>\n<li>If cost or supply is a concern, compare rare earth magnets vs ferrite magnets for lower price and corrosion resistance.<\/li>\n<li>I recommend checking supplier specs and manufacturing process details before buying, especially when sourcing from rare earth magnet suppliers China<\/li>\n<\/ul>\n<h2>Advantages and Limitations<\/h2>\n<p>I use rare earth magnets a lot in designs because of their sheer performance, but they come with tradeoffs. Here\u2019s a clear look at why you might pick them\u2014and what to watch for.<\/p>\n<p>Voordelen<\/p>\n<ul>\n<li><strong>Highest strength-to-size<\/strong>: Neodymium magnetsNdFeB) deliver far more magnetic strength than ferrite or alnico for the same volume, letting you miniaturize motors, sensors, and speakers.<\/li>\n<li><strong>Better performance for compact designs<\/strong>: Small parts, high torque, or tight tolerances are where rare earth magnets really shine.<\/li>\n<li><strong>Good coercivity and remanence<\/strong>: They hold magnetization well, which means reliable long-term performance in many electronic and industrial uses.<\/li>\n<li><strong>Specialized grades and options<\/strong>: can choose high-temperature SmCo for heat stability or different NdFeB grades for max strength or cost balance.<\/li>\n<\/ul>\n<p>Beperkingen<\/p>\n<ul>\n<li><strong>Cost and price volatility<\/strong>: Rare earth magnet prices can swing with raw material markets and global demand. For US buyers, expect variable quotes and planning lead times.<\/li>\n<li><strong>Supply concentration<\/strong>: Much of the rare earth processing is concentrated overseas, which can affect lead and logistics. Working with a reliable supplier helps\u2014consider a partner like NBAEM your best neodymium magnet supplier for steady supply and support.<\/li>\n<li><strong>Corrosion and fragility<\/strong>: Some grades (especially uncoated NdFeB) need protective plating or epoxy; they\u2019re also more brittle ferrite and can chip if mishandled.<\/li>\n<li><strong>Temperatuurlimieten<\/strong>: Neodymium strength at elevated temps; SmCo is better for high-temp use but costs more.<\/li>\n<\/ul>\n<p>Environmental and sustainability concerns<\/p>\n<ul>\n<li><strong>Mining impacts<\/strong>: Rare earth extraction has localized environmental costs\u2014water use, waste, and land disturbance matter to communities and buyers.<\/li>\n<li><strong>Recycling challenges<\/strong>: Recover rare earths from magnets is possible but complex and not yet widespread in the US. That makes end-of-life planning important for larger projects.<\/li>\n<li><strong>Alternatives and tradeoffs<\/strong>: For cost or sustainability reasons, bonded magnets or ferrite magnets can be viable alternatives. Check bonded magnet options and specs to see if they meet your design needs.<\/li>\n<\/ul>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h2>How to Choose the Right Rare Earth Magnet for Your Needs what is a rare earth magnet<\/h2>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>Key factors to consider<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Where to Buy Rare Earth Magnets what is a rare earth magnet<\/h2>\n<h3>Why choose NBAEM<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<h3>Credentials and export readiness<\/h3>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<h3>Kwaliteitsborging en certificeringen<\/h3>\n<p>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/p>\n<ul>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<li>cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<br \/>\ncURL Too many subrequests by single Worker invocation. To configure this limit, refer to https:\/\/developers.cloudflare.com\/workers\/wrangler\/configuration\/#limits<\/li>\n<\/ul>\n<h3>Competitive pricing and supply chain reliability<\/h3>\n<p>We balance price and lead time for U.S. buyers:<\/p>\n<ul>\n<li>Typical lead times: prototype samples in days to weeks, production runs in weeks depending on volume and magnet grade<\/li>\n<li>MOQ: flexible for many parts \u2014 quote low-volume runs for R&amp;D and scaled pricing for production<\/li>\n<li>Shipping: air, sea and express courier options; export-grade packaging to prevent damage and demagnetization in transit<\/li>\n<\/ul>\n<h3>Customer service and technical support<\/h3>\n<p>We work with product engineers and purchasing teams to pick right magnet:<\/p>\n<ul>\n<li>Application advice on magnetic strength, coercivity, and max operating temperature<\/li>\n<li>Help with magnetization direction, coatings, and assembly concerns<\/li>\n<li>Post-sale support: replacement, warranty handling, and troubleshooting<\/li>\n<\/ul>\n<h3>Case studies and references<\/h3>\n<p>We share real application examples and past problem solves on request \u2014 from magnetic lifter solutions to speaker and motor components. For industrial lifting examples check our magnetic lifters page. If you need references or sample test data, ask us and we\u2019ll provide what you need to validate performance before you buy.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is a rare earth magnet Learn neodymium and samarium cobalt strengths temperature tolerance corrosion resistance and top applications from NBAEM<\/p>","protected":false},"author":1,"featured_media":1844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1856","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/Premium_Magnetic_Materials_Quality_NBAEMs_Hbp.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts\/1856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/comments?post=1856"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts\/1856\/revisions"}],"predecessor-version":[{"id":1863,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/posts\/1856\/revisions\/1863"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/media\/1844"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/media?parent=1856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/categories?post=1856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/nl_be\/wp-json\/wp\/v2\/tags?post=1856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}