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.

                              Coating and Corrosive Resistance of Sintered NdFeB

Surface

Coating

colour

Thickness

(um)

Resistance can be

Corrosive 

Resistance

PCT 

Test

Salt Spray Test

Nickel

Ni/NiCuNi

Silver

10-20

48h/72h

72h

excellent

Zinc

blue zinc/colour zinc

brightblue/shinyblue

8-20

24

24

good

epoxy

epoxy/NiCu+Epoxy

black/grey

15-25

48

96

excellent

Tin

NiCuSn

silver

15-20

72

72

superior

Parylene

Parylene

grey

15-25

96

200

superior

Teflon

Teflon

grey

10-20

12

24

superior

Phosphorization

      -

grey

1-2

   -

  -

temporary

 protection

Passivation

      -

grey

1-2

   -

  -

temporary 

protection