Custom Size N35 N38 N42 N48 N50 N52 Neodymium Magnetic Material Blocks Permanent Industrial Grade NdFeB Magnet Cutting Bending

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Model NO.	KS	Grade	N35
Delivery Time	3-10days Faster Then Industry Average, 8-14 Days	Composite	NdFeB Magnet
Size	0.5mm-200mm	Product Name	High Quality Cheap Neodymium Magnet 20X10X5
Tolerance	+/-0.02mm---+/-0.05mm	Certificates	RoHS, CE
Material	Sintered Neodymium-Iron-Boron	Processing Service	Bending, Cutting, Punching, Moulding
Magnetism Direction	Axial/Radial/Customized	Type	Permanent
Transport Package	Demagnetize Packing Box	Specification	35cmx27cmx14cm/carton
Trademark	KS	Origin	Shanxi, China
Production Capacity	1500 Ton/Tons Per Year

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10 Years Experience Taiyuan Magnet Manufacturer
10 Years Magnet Custom Super Strong Round Disc Small Automotive Office N52 Permanent Motor Neodymium Magnet
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Custom Size N35 N38 N42 N48 N50 N52 Neodymium Magnetic Material Blocks Permanent Industrial Grade NdFeB Magnet Cutting Bending

Description	Description
WorkingTemperature	Grade	Max. Operating Temperature
	N35-N52	N35-N52
	33M- 48M	100°C (212°F)
	33H-48H	120°C (248°F)
	30SH-45SH	180°C (356°F)
	28EH-38EH	200°C (392°F)
	28AH-35AH	220°C (428°F)
Magnet Shape	Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more. Customized shape are available.
Magnet Coating	Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

Neodymium magnets are actually composed of neodymium, iron and boron (they are also referred to as NIB or NdFeB magnets). The powdered mixture is pressed under great pressure into molds. The material is then sintered (heated under a vacuum), cooled, and thenground or sliced into the desired shape. Coatings are then applied if required. Finally, the blank magnets are magnetized by exposing them to a very powerful magnetic field in excess of 30 KOe.

Frequently Asked Questions

Q: What are neodymium magnets? Are they the same as "rare earth"?
A: Neodymium magnets are a member of the rare earth magnet family. They are called "rare earth" because neodymium is a member of the "rare earth" elements on the periodic table. Neodymium magnets are the strongest of the rare earth magnets and are the strongest permanent magnets in the world.

Q: What does the "N rating", or grade, of the neodymium magnets mean?
A: The grade, or "N rating" of the magnet refers to the Maximum Energy Product of the material that the magnet is made from. It refers to the maximum strength that the material can be magnetized to. The grade of neodymium magnets is generally measured in units millions of Gauss Oersted (MGOe). A magnet of grade N42 has a Maximum Energy Product of 42 MGOe. Generally speaking, the higher the grade, the stronger the magnet.

Q: What is the difference between the different platings and coatings?
A: Choosing different coatings does not affect the magnetic strength or performance of the magnet, except for our Plastic and Rubber Coated Magnets. The preferred coating is dictated by preference or intended application. More detailed specifications can be found on our Specs page.

♦ Nickel is the most common choice for plating neodymium magnets. It is actually a triple plating of nickel-coppernickel. It has a shiny silver finish and has good resistance to corrosion in many applications. It is not waterproof.

♦ Black nickel has a shiny appearance in a charcoal or gunmetal color. A black dye is added to the final nickel plating process of the triple plating of nickel-copperblack nickel.
NOTE: It does not appear completely black like epoxy coatings. It is also still shiny, much like plain nickel plated magnets.

♦ Zinc has a dull gray/bluish finish, that is more susceptible to corrosion than nickel. Zinc can leave a black residue on hands and other items.

♦ Epoxy is basically a plastic coating that is more corrosion resistant as long as the coating is intact. It is easily scratched. From our experience, it is the least durable of the available coatings.

♦ Gold plating is applied over the top of standard nickel plating. Gold plated magnets have the same characteristics as nickel plated ones, but with a gold finish.