Name: D35X20mm N40 NdFeB magnet coating with NI used in car speaker and motor
Brand: CJ MAG
Availability: InStock

Product Details

N40 D35X23mm NdFeB magnet coating with NI with ISO 9001 ISO14001

1 About us

1 Our company the Cj magnet company is the pioneer of magnetic material industry in the world and we have specialized in this feild for many years.

2 we can not only provide you simple magnetic materials, but also can provide magnetic systems and solutions.

3 our main products are NdFeB and Ferrite, and the annual capacity of NdFeB is 1500 ton, the Ferrite is 6000 ton.

4 Our copany has our own factories.they are located in Zhejiang Anji and Ningbo,we can finish all the manufacture steps by our own.

5 we also have pay great attention to the technolgies and have import a series of professional and advanced machines from aboard.

6 during the past years our company have got some international certificates,such as ISO9001.ISO14001 and ISO/TS16949. these certificates can make sure that our quality is up to standard.

2 Description & Specification:

Sintered NdFeB magnet	Strong permanent magnet with magnetic properties
Grades	N33, N35, N38, N40, N42, N45, N48, N50, N52, (M, H, SH, EH, UH )
Coatings	Nickel, Ni-Cu-Ni, Zinc, white-blue Zn, Black epoxy resin, Gold
Sizes	customized
Shapes	Disc, cylinder, sphere, block, ring, tile, arc, and other irregular shapes
Tolerance	+/-0.05mm unless specified.
Magnetized direction	Through thickness, diameter, axial, etc
Maximum working temperature	80 to 120 degrees C
Delivery time	Within 7-30 days when order confirmed
Package Condition	Standard air/sea protective package, unless specified.

3 Coating

surface	coating	color	Thickness(um)	SST	PCT
Nickel	NI(NICUNI)	Bright silver	10-20	>24-72	>24-72
Cr3+Zinc	Zn/C-Zn		5-8	>16-48
Sn	NI+CU+NI+Sn	silver	10-25	>36-72	>48
Epoxy	Epoxy	Black/grey	10-20	>48
Passivation		Dark gray	1-3	Temporary protection
Phosphate		Dark gray	1-3	Temporary protection