Ring shaped D42x18x10mm N52 magnet with ISO9001 can be used in speaker

 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.

CJ MAG

Magnetic Material

ISO9001,ISO14001,ISO16949,REACH,ROSH,SGS,VDA6.3

Nd-Fe-B/rare earth magnet

Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and Customized shape.

Ni-Cu-Ni, Nickel, Zn, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube and etc.

1-20

The biggest block size:F240*100*50mm

The biggest ring size:240*150*50mm

The highest grade:N52 N40UH N42EH N38AH

The smallest block size:F0.8*0.8*1.6mm

The smallest disc size:1.5*0.75mm

The highest grade:N52 N40UH N42EH N38AH

Customer's size is available

100/1000/10000 pieces

Stable, consistency,powerful

Available

Rare Earth Magnets are widely used in many fields, such as motors, sensors, microphones, wind turbines, wind generators, VCM in hard disk drives, printer, switchboard, loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, common daily use and etc.

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