Bonded NdFeB

  • Description
Product Detail

  Bonded NdFeB magnets are produced by binding rapid-quenching Nd-Fe-B powders which is mixed with plastic resin to form a magnet by compression molding with epoxy and injection molding with nylon. The injection molding has particularly useful feature in molding very complicated shapes and thin walled parts. The compression molded magnets are limited for simple geometries, but they can offer higher magnetic strength than injection molded magnets because of relative high density. Bonded NdFeB have lower energy properties compared with sintered NdFeB. However, it can be produced with high dimension accuracy and shape complexity. Normally, there is no finishing required for bonded NdFeB. In order to prevent corrosion, the magnet surfaces are treated by epoxy coating or nickel plating.

Typical Magnetic Performance Range for Bonded NdFeB Magnets

Grade

 

Br

Hcb

Hcj

BHmax

Density

Tw Max

kGs

mT

kOe

kA/m

kOe

kA/m

KJ/m3

MGOe

g/cm3

?

BN-2

3.50

350

2.5

200

7.0

560

20

2.5

4.8

160

BN-4

4.50

450

3.5

280

8.0

640

40

5.0

5.5

160

BN-6

5.50

550

4.5

360

8.0

640

52

6.5

5.8

160

BN-8

6.50

650

5.0

400

9.0

720

64

8.0

6.0

160

BN-8H

6.30

630

5.5

440

15.0

560

64

8.0

6.0

160

BN-8SR

6.30

630

5.5

440

12.0

560

64

8.0

6.0

180

BN-8L

6.50

650

5.5

440

9.0

560

68

8.5

6.0

160

BN-10

7.00

700

5.5

440

9.0

560

80

10.0

6.0

160

BN-10H

7.30

730

5.5

440

9.0

560

84

10.5

6.2

160

BN-12

7.50

750

6.0

480

10.0

560

92

11.5

6.2

160

BN-12D

7.50

750

6.0

480

10.0

560

92

11.5

6.2

170

BN-12L

7.80

780

5.5

440

7.0

560

92

11.5

6.2

150

BN-13L

8.00

800

5.5

440

7.0

560

96

12.0

6.3

150

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