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>>HOME >> NdFeB Magnet >> Bonded NdFeB I Magnet >> Magnetic Properties

Magnetic characteristics and Physical properties of Bonded compression NdFeB

               Grade
Properties

BNI-3

BNI-4

BNI-5

BNI-6

BNI-6H

BNI-7

BNI-5SR
(PPS)

Remanence
Br
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
Hcb
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
   Hcj
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)

Max. Energy
 Product
 BH(max)
KJ/m3(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

   g/cm3

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

Relative Recoil
 Permeability
   µr

1.2

1.2

1.2

1.13

1.13

1.13

1.13

Temperature
Coefficient of
 Remanence
   αBr
   %/ ℃

-0.15

-0.13

-0.13

-0.11

-0.15

-0.11

-0.13

Max. Operating
 Temperature
   Tw
   ℃

100

110

120

120

130

120

150


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