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NdFeB Bonded Magnet

Bonded Mould Compression NdFeB Magnet

Compression bonded magnets are composed of a special form of NdFeB powder with adhesive and using compression molding techniques in simple tools, it can be quickly machined into complex shapes. Since its materials are isotropic, bonded NdFeB magnet can be magnetized in any direction or with multiple poles. Special magnetizing fixtures are required in order to achieve multiple poles magnetization, depending on complexity of design and production.

Advantages of Compression NdFeB Magnet:

Bonded Mould Injection NdFeB

njection Plastic NdFeB magnet is a kind of new generation composite material made from permanent magnetic powder and plastic. Injection NdFeB powder is blended with a plastic material and injection molded. With High precision of size, it can be made into complex shapes and also be bonded with other components. The injection molding magnet can be magnetized in any directions and with multiple poles.

Advantages of Injection NdFeB Magnet:

1、Design and manufacturing of orientation moulds were carried out.

2、Having high dimensional precision and impact-resistance. Capable of forming products with inlay.

3、The injection molding parts are suitable for forming products with various shapes and thin walls.     

4、Multi polar magnetization can be carried out according to customers’ requirement.

Application Areas

Mould injection NdFeB have various application areas such as: 

Bonded Compression NdFeB Typical Magnetic Properties
Grade PropertiesRemanence
Br
T(Gs)
Coercivity
HCB KA/m(KOe)
Intrinsic Coercivity
Hcj
KA/m(Koe)
Max. Energy 
Product 
BH(max) 
KJ/m3(MGOe)
Density  
g/cm3
Relative Recoil
Permeability
µr
Temperature Coefficient
of RemanenceαBr %/ ℃
Max Operating
Temperature Tw℃
BNP-60.55~0.62285~370
(3.6~4.6)
600~755
(7.5~9.5)
44~56
(5.5~7.0)
5.5~6.11.15-0.13100
BNP-8L0.60~0.64360~400
(4.5~5.0)
715~800
(9~10)
56~64
(7.0~8.0)
5.6~6.11.15-0.13100
BNP-80.62~0.69385~445
(4.8~5.6)
640~800
(8~10)
64~72
(8.0~9.0)
5.6~6.11.15-0.13120
BNP-8SR0.62~0.66410~465
(5.2~5.8)
880~1120
(11~14)
64~72
(8.0~9.0)
5.6~6.11.13-0.13150
BNP-8H0.61~0.65410~445
(5.2~5.7)
1190~1440
(15~18)
64~72
(8.0~9.0)
5.9~6.21.15-0.07125
BNP-90.65~0.70400~440
(5.0~5.5)
640~800
(8~10)
70~76
(8.8~9.5)
5.6~6.11.22-0.12120
BNP-100.68~0.72420~470
(5.3~5.9)
640~800
(8~10)
76~84
(9.5~10.5)
5.6~6.11.22-0.11120
BNP-110.70~0.74445~480 
(5.6~6.0)
680~800 
(8.5~10)
80~88
(10~11)
5.6~6.11.22-0.11120
BNP-11L0.70~0.74400~440 
(5.0~5.5)
520~640 
(6.5~8)
78~84
(9.8~10.5)
5.6~6.11.26-0.11110
BNP-12L0.74~0.80420~455 
(5.3~5.7)
520~600 
(6.5~7.5)
84~92
       (10.5~11.5)
5.6~6.11.26-0.08110


Bonded Injection NdFeB Typical Magnetic Properties
Grade PropertiesRemanence
Br
T(GS)
Coercivity
Hcb
KA/m(KOe)
Intrinsic Coercivity 
Hcj 
KA/m(Koe)
Max. Energy Product BH(max) KJ/m3(MGOe)Density
g/cm3
Relative Recoil
Permeability
µr
Temperature Coefficient
of Remanence
αBr 
%/℃
Max. Operating
Temperature Tw
BNI-30.2~0.4120~240
(1.5~3.0)
480~640
(6.0~8.0)
8~24
(1.0~3.0)
3.9~4.41.2-0.15100
BNI-40.40~0.46250~335
(3.1~4.2)
575~735
(7.2~9.2)
28~36
(3.5~4.5)
4.2~4.91.2-0.13110
BNI-50.45~0.51280~360
(3.5~4.5)
640~800
(8~10)
37~44
(4.6~5.5)
4.5~5.01.2-0.13120
BNI-60.51~0.56295~375
(3.7~4.7)
640~800
(8~10)
44~52
(5.5~6.5)
4.7~5.11.13-0.11120
BNI-6H0.48~0.56335~400
(4.2~5.0)
1035~1355
(13~17)
40~52
(5.0~6.5)
4.8~5.21.13-0.15130
BNI-70.54~0.64320~400
(4.0~5.0)
640~800
(8~10)
51~59
(6.5~7.5)
5.0~5.51.13-0.11120
BNI-5SR (PPS)0.45~0.50300~360
(3.8~4.5)
875~1115
(11~14)
36~44
(4.5~5.5)
4.9~5.41.13-0.13150
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