Neodymium (NdFeb) Disc magnet D25(+/-0.1)xh5(+/-0.1) from China manufacturer

Neodymium (NdFeb) Disc magnet D25(+/-0.1)xh5(+/-0.1)

Price:	1.0~10.0 USD
Payment Terms:	T/T
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean,Land,Air

Packing: according to customers' req...

Application: Industrial Magnet

Type: Permanent

Grade: N38

Production Capacity: 10000000pcs/month

Delivery Date: within 15 days

Shape: Disc

Composite: Neodymium Magnet

Size: D25(+/-0.1)xh5(+/-0.1)

Material:
1.Permanent Magnet.
2.Sintered Neodymium-Iron-Boron.
3.Neodymium magnet, NdFeB magnet, permanent magnet, Rare earth magnet.

Neodymium magnet (also known as NdFeB, NIB, or Neo magnet), is a most widely-used type of rare-earth magnet, and a permanent magnet made from an alloy of neodymiumm, ironn, and boron to form the Nd2Fe14B tetragonal crystalline structure. It was developed in 1982. Neodymium magnets are the strongest type of permanent magnet made. They have replaced other types of magnets in the many applications in modern products that require strong permanent magnets, such as motors in cordless tools, hard disk drives, and magnetic fasteners. Because neodymium magnet have greater strength which allows the use of smaller, lighter magnets for a given application.

For examples:
Head actuators for computer hard disks;
Magnetic resonance imaging;
Magnetic guitar pickups;
Loudspeaker and headphones;
Electric motors;
Spindle and stepper motors;
Drive motors for actuators;
Electric generators for wind turbines.

Neodymium magnet is an iron based permanent magnet, because of this, it is easy to be rusted or oxidation. To avoid such problems, the magnet coating, electrical plating or suitable surface treatment are needed.

Available Coatings for Magnets
Surface	Coating	Thickness (Microns)	Color	Resistance
Passivation		1	Silver Grey	Temporary Protection
Nickel	Ni+Ni	10-20	Bright Silver	Excellent Against Humidity
Nickel	Ni+Cu+Ni	10-20	Bright Silver	Excellent Against Humidity
Zinc	Zn	8-20	Bright Blue	Good Against Salt Spray
Zinc	C-Zn	8-20	Shinny Color	Excellent Against Salt Spray
Tin	Ni+Cu+Sn	15-20	Silver	Superior Against Humidity
Silver	Ni+Cu+Ag	10-20	Silver	Superior Against Humidity
Gold	Ni+Cu+Au	10-20	Gold	Superior Against Humidity
Copper	Ni+Cu	10-20	Gold	Temporary Protection
Epoxy	Epoxy	15-25	Black,Red,Grey	Excellent Against Humidity&Salt Spray
	Ni+Cu+Epoxy
	Zn+Epoxy
Parylene	Parylene	5-20	Grey	Excellent Against Humidity,Salt Spray,Superior Against Solvents,Gases, Fungi and Bacteria,FDA Approved
Chemical	Ni	10-20	Silver Grey	Excellent Against Humidity