{"id":3629,"date":"2026-01-08T08:09:10","date_gmt":"2026-01-08T08:09:10","guid":{"rendered":"https:\/\/nbaem.com\/?p=3629"},"modified":"2026-01-08T04:07:44","modified_gmt":"2026-01-08T04:07:44","slug":"plastic-coated-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/da\/plastic-coated-magnet\/","title":{"rendered":"Plastic Coated Magnet Guide Waterproof Durable Surface Safe"},"content":{"rendered":"

You might already know that standard neodymium magnets are incredibly powerful\u2026<\/p>\n

But they have a major weakness: they are brittle and highly prone to corrosion.<\/p>\n

So, how do you harness that extreme magnetic force without the risk of rust, shattered edges, or scratched surfaces?<\/p>\n

The answer lies in plastic coated.<\/strong><\/a><\/p>\n

In fact, switching to these waterproof neodymium magnets<\/strong> is the single best way to ensure long-term durability in outdoor, marine, or delicate applications.<\/p>\n

In this post, you\u2019re going to learn exactly why plastic encased magnets<\/strong> outperform traditional nickel plating, how they provide non-scratching<\/strong> protection for your products, and the critical specs you need to know before ordering.<\/p>\n

Lad os g\u00e5 direkte i gang.<\/p>\n

\"plastic

plastic coated magnet<\/p><\/div>\n

What is Plastic Coated Magnet and How Are They Made?<\/h2>\n

Plastic coated magnet<\/strong>, often referred to in the industry as insert magnets<\/strong> or encapsulated magnets<\/strong>, are engineered assemblies where a powerful permanent magnet is embedded within a protective plastic resin. At NBAEM, we combine high-performance magnetic cores with durable polymers to create components that survive where raw magnets fail.<\/p>\n

Understanding the Sintered NdFeB Core Strength<\/h3>\n

The \u201cengine\u201d inside these assemblies is typically a sintered Neodym (NdFeB)<\/strong> core. While Neodymium provides the strongest magnetic field available commercially, the raw material is brittle and highly susceptible to corrosion. By encapsulating this core, we harness its immense strength while shielding it from moisture, preventing the oxidation that destroys bare magnets. We also utilize Ferrite and SmCo cores depending on the specific application requirements.<\/p>\n

Injection Molding, Overmolding, and Bonded Plastic Processes<\/h3>\n

We utilize advanced manufacturing techniques to ensure the plastic layer is more than just a coating\u2014it is a structural shield.<\/p>\n