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Bonded NdFeB general performance parameters
Bonded NdFeB Magnets
Bonded NdFeB magnet by the rapid quenching NdFeB powder and mixed through the binder, "suppression of forming" or "injection molding" made of magnets. Bonded magnets the size of extremely high accuracy, can be made into the shape of a relatively complex magnetic components, and has a molding, a multi-polar direction and so on. Injection magnet high mechanical strength, but also in the molding and other supporting pieces of injection into one. Bonded NdFeB performance parameters
Performance and grades

BNP-6

BNP-8L

BNP-8

BNP-8SR

BNP-8H

BNP-9

BNP-10

BNP-11

BNP-11L

BNP-12L

Remanence B r T(Gs)

0.55-0.62

0.60-0.64

0.62-0.69

0.62-0.66

0.61-0.65

0.65-0.70

0.68-0.72

0.70-0.74

0.70-0.74

0.74-0.80

Coercivity H CB kA/m(kOe)

285-370 (3.6-4.6)

360-400 (4.5-5.0)

385-445 (4.8-5.6)

410-465 (5.2-5.8)

410-455 (5.2-5.7)

400-440 (5.0-5.5)

420-470 (5.3-5.9)

445-480 (5.6-6.0)

400-440 (5.0-5.5)

420-455 (5.3-5.7)

Intrinsic coercivity H CJ kA/m(kOe)

600-755 (7.5-9.5)

715-800 (9-10)

640-800 (8-10)

880-1120 (11-14)

1190-1440 (15-18)

640-800 (8-10)

640-800 (8-10)

680-800 (8.5-10)

520-640 (6.5-8)

520-600 (6.5-7.5)

The largest energy product (BH) max kJ/m 3 (MGOe)

44-56 ( 5.5-7)

56-64 (7.0-8.0)

64-72 (8.0-9.0)

64-72 (8.0-9.0)

64-72 (8.0-9.0)

70-76 (8.8-9.5)

76-84 (9.5-10.5)

80-88 (10.0-11.0)

78-84 (9.8-10.5)

84-92 (10.5-11.5)

Density D g/cm 3

5.5-6.1

5.6-6.1

5.8-6.1

5.8-6.1

5.9-6.2

5.8-6.1

5.8-6.1

5.8-6.1

5.8-6.1

5.8-6.1

Reversible permeability rate μ r

1.15

1.15

1.15

1.13

1.15

1.22

1.22

1.22

1.26

1.26

Reversible temperature coefficient α（ B r ）%/ ℃

-0.13

-0.13

-0.13

-0.13

-0.07

-0.12

-0.11

-0.11

-0.11

-0.08

The maximum temperature T w ℃

100

110

120

150

125

120

120

120

110

110

1.More use of magnetic-ho, the company standard test samples measured.
2.The above characteristics and magnets are related to the shape and size. Product performance to the actual products are recognized.


Injection Molding NdFeB magnetic properties and physical characteristics
Performance and grades

BNI-3

BNI-4

BNI-5

BNI-6

BNI-6H

BNI-7

BNI-5SR (PPS)

Remanence
B r T (Gs)

0.2-0.4

0.40-0.46

0.45-0.51

0.51-0.56

0.48-0.56

0.54-0.64

0.45-0.50

Coercivity H CB kA/m(kOe)

120-240 (1.5-3.0)

250-335 (3.1-4.2)

280-360 (3.5-4.5)

295-375 (3.7-4.7)

335-400 (4.2-5.0)

320-400 (4.0-5.0)

300-360
(3.8-4.5)

Intrinsic coercivity H CJ kA/m(kOe)

480-640 (6.0-8.0)

575-735 (7.2-9.2)

640-800 (8-10)

640-800 (8-10)

1035-1355 (13-17)

640-800 (8-10)

875-1115
(11-14)

Energy product(BH)max kJ/m 3 (MGOe)

8-24 (1.0-3.0)

28-36 (3.5-4.5)

37-44 (4.6-5.5)

44-52 (5.5-6.5)

40-52 (5.0-6.5)

51-59 (6.5-7.5)

36-44
(4.5-5.5)

Density D g/cm 3

3.9-4.4

4.2-4.9

4.5-5.0

4.7-5.1

4.8-5.2

5.0-5.5

4.9-5.4

Reversible permeability rate μ r

1.2

1.2

1.2

1.13

1.13

1.13

1.13

Reversible temperature coefficient α（ B r ） %/ ℃

-0.15

-0.13

-0.13

-0.11

-0.15

-0.11

-0.13

The maximum temperature T w ℃

100

110

120

120

130

120

150

1. Above-ho magnetic characteristics of companies with standard test samples measured.
2. Magnets and the characteristics of the shape and size are related. Product performance to the actual products are recognized.
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