N40 D30X14 mm NdFeB magnet with ROHA REACH ISO14001 for 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.

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.

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

type

grade

max work temperature

N

N35-N52

80

NM

N35M-N50M

100

NH

N30H-N48H

120

NSH

N30SH-N45SH

150

NUH

N30UH-N40UH

180

NEH

N30EH-N38EH

200

NAH

N30AH-N33AH

240

Areas

Cooperated companies

Wind  energy

Gold Wind Company

EPS motor

AMK company

Speakers

Panasonic