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Sintered NdFeB

Bonded NdFeB

Bonded NdFeB

  • Composed of NdFeB and plastic binder.

  • Available in many special shape and dimension with precise tolerance.

  • A coating to protect against oxidization is necessary.

 

SPECIFICATION OF BONDED NdFeB
 

Specifications

OM-4

OM-6

OM-8

OM-8H

OM-12D

OM-12

OM-12H

Br

mT

350~450

500~600

600~670

560~650

680~700

700~800

700~800

kGs

3.5~4.5

5.0~6.0

6.0~6.7

5.6~6.5

6.8~7.0

7.0~8.0

7.0~8.0

HcB

kA/m

240~280

320~360

360~440

400~464

400~440

416~480

448~480

kOe

3.0~3.5

4.0~4.5

4.5~5.5

5.0~5.8

5.0~5.5

5.2~6.0

5.6~6.0

HcJ

kA/m

640~800

640~800

640~800

960~1360

640~800

640~800

720~960

kOe

8.0~10.0

8.0~10.0

8.0~10.0

13.0~17.0

8.0~10.0

8.0~11.0

9.0~12.0

(BH)max

kJ/m3

24~32

40~56

64~72

60~72

72~80

80~96

80~96

MGOe

3.0~4.0

5.0~7.0

8.0~9.0

7.5~9.0

9.0~10.0

10.0~12.0

10.0~12.0

Average reversible temperature coefficient (%/)

-0.1

-0.1

-0.1

-0.1

-0.1

-0.1

-0.1

Curie temperature ()

400

400

400

305

360

360

470

Max. operating temperature ()

150

150

140

120

120

130

140

Magnetizing field

kA/m

>1600

>1600

>2000

>2800

>1600

>1600

>2000

kOe

>20

>20

>25

>35

>20

>20

>25

Density (g/cm3)

4.5~5.0

5.5~5.8

5.8~6.0

5.6~6.0

6.0~6.2

6.2~6.6

6.2~6.6

Hardness HRB

40~45

40~45

35~38

35~38

35~38

35~38

35~38