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Tube of 20 Neodymium Magnets

from The STEMcell Science Shop

Regular price $5.00

Our mighty 4mm cubic rare earth magnets are incredibly useful, mesmerizing to fiddle with, and a steal for only 5 bucks for a tube of 20.

We had these custom manufactured to the highest magnetization the factory could concentrate into the small space. 

Made from a neodymium (Nd) alloy, these magnets each have about a 4lb pull (direct metal-to-metal contact). They are nickel coated since the magnetic material is a highly compressed powder. 

*NOT A TOY. NOT FOR YOUNG CHILDREN. DO NOT SWALLOW*

 

More info:

Only a few elements are naturally magnetic at room temperature. Neodymium is not one of these elements; however, in the 1980s, General Motors found that an alloy of neodymium, iron, and boron (Nd2Fe14B) not only produces a magnet, but its crystal structure causes it to be an especially strong magnet. 

Also called “rare-earth” magnets since neodymium is in the group of elements called rare-earths.

 

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