Neodymium Sphere Magnets

Neodymium magnet is also called” NdFeB magnet, or rare earth magnets”, which is based on Nd2Fe14B. The main components are rare earth elements Neodymium (Nd), iron (Fe), and boron (B). Its main raw material is rare earth metal neodymium about 30%, metallic element iron about 65%, non-metallic element boron about 1% and other elements.

-Magnetic balls are new applications in recent 10 years and 3mm and 5mm ball magnets are most common sizes. They also can be coated in different colors like silver, red, gold, yellow, green, purple & blue. They are usually packed 216PCS or 512PCS in one small tin box. You can play game with these colored balls with your friends  to build different buildings, cars, animals and anything you can imagine and it is absolutely funny, this games will be a good practice for your brain and imagination. These magnetic balls are suitable for 14 years older and more.

-Warning: These magnetic balls are very small and are forbidden to put it in the mouth and avoid swallowing, so it should be played for people over 14 years. 

-Application: magnetic toy, magnetic jewelry etc.

-Main Process flow:  raw material – smelting ingot/spinning belt – powder making – profiling – sintering – grinding – cutting – electroplating – finished product.

-Main Testing: dimensions Inspection, gauss test, magnetic flux test, magnetic property test, salt spray test, coating thickness test, pulling force test.