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Pro / B2B

Bonded Neodymium Magnetic Compounds

Bonded Neodymium Magnetic Compounds Introductions

Bonded neodymium magnets (bonded NdFeB magnet) has high mechanical performance and no need for surface coating and other processes, which can effectively avoid the shortcomings of brittle and poor corrosion resistance of sintered NdFeB magnet.

Isotropic bonded ferrite magnets with complex shapes can be obtained through injection molding and subsequent magnetization process, there is no need to apply the magnetic field into an injection mold. Yet, it is necessary for anisotropic bonding neodymium magnets to apply the magnetic field into injection mold to magnetize magnets in a variety of patterns.

A bonded neodymium magnet can be magnetized in the axial, radial, multi-poles, or local direction, which is difficult for sintered NdFeB magnets.

Bonded ndfeb magnet properties Several times stronger magnetic property than ferrite bonded magnet contributes to miniaturization and lightweight of parts.

High dimensional precision makes it suitable for precision parts.

The bonded neodymium magnet material can be wholly, partially magnetized, or demagnetized.

Applications of Bonded Neodymium Magnetic Compounds

Motor rotor; micro-sensor; micro-motor; electronic expansion valve; etc.

Specification of Bonded Neodymium Magnetic Compounds

Grade

Br

HcB

HcJ

(BH)max

neodymium magnet / NdFeB Mold density

Melt Flow Rate

IZOD Impact Strength

Tensile Strength

Flexural Strength

Composition

Residual Flux Density

Coercive Force

Intrinsic Coercive Force

Maximum Energy Product

mT

Gs

kA/m

Oe

kA/m

Oe

kJ/m3

MGOe

g/cm3

g/10min

kJ/m2

MPa

MPa

NB25

353

3530

247

3098

725

9112

21.8

2.73

3.79

1000

25

53

95

NdFeB+PA12

NB30L1

381

3810

256

3211

671

8431

24.6

3.09

4.21

800

10

40

75

NB40

455

4550

300

3769

697

8760

34.7

4.36

4.52

900

14

51

90

NB50

503

5030

325

4078

647

8132

41.9

5.26

4.91

400

11

50

85

NB70

592

5920

370

4647

681

8549

56.7

7.13

5.34

860

8

45

88

NB80

647

6470

384

4829

589

7401

65.4

8.22

5.67

335

8

55

100

NC15

276

2760

195

2453

679

8531

13.6

1.71

3.52

1200

9

40

105

NdFeB+PPS

NC20

336

3360

235

2946

656

8241

19.7

2.48

3.86

1200

9

40

110

NC30

370

3700

266

3346

943

11840

24.5

3.08

4.07

1000

8

44

110

NC30L

384

3840

264

3310

680

8548

25.4

3.19

4.21

900

8

45

110

NC40H

447

4470

312

3915

899

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