.

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 magnetswith 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 propertiesSeveral 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 materialcan 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

1000

25

53

95

NdFeB+PA12

NB30L1

381

3810

256

3211

671

8431

800

10

40

75

NB40

455

4550

300

3769

697

8760

900

14

51

90

NB50

503

5030

325

4078

647

8132

400

11

50

85

NB70

592

5920

370

4647

681

8549

860

8

45

88

NB80

647

6470

384

4829

589

7401

335

8

55

100

NC15

276

2760

195

2453

679

8531

1200

9

40

105

NdFeB+PPS

NC20

336

3360

235

2946

656

8241

1200

9

40

110

NC30

370

3700

266

3346

943

11840

1000

8

44

110

NC30L

384

3840

264

3310

680

8548

900

8

45

110

NC40H

447

4470

312

3915

899

11295

400

6

53

87

NC50

500

5000

340

4274

877

11023

200

6

48

88

NC60

533

5330

372

4672

899

11290

150

6

43

83

HNB120a

786

7860

461

5790

860

10800

500

12

48

86

HDDR +PA12

HNB140a

821

8210

501

6290

1003

12600

113

400

7

47

83

If you want to know more about the ndfeb density, please contact us.

More types of ideal magnet solutions, please visit our website.



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