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Injection Molded NdFeB+PPS magnet for motor

Description:
Injection molded magnet can be either anisotropic or isotropic, and wide range of magnetic properties, and it achieves multi-pole magnetization. This magnet is widely applied on motors, etc.

Magnetic powder is neodymium-iron-boron (NdFeB), either isotropic or anisotropic. And Polymer binders utilized are PA6, PA12 and PPS.

It is a new technology to achieve adjustable magnetic properties, composite molding, elastic magnetization and high mechanical strength.

Injection molded magnets can be of very complex shapes with high precision, typically, tolerance is0.005mm, it is suitable for high precision parts.

By doing insert molding, magnetic material can be directly molded into or onto other assembly components without further assembly process.

Anisotropic NdFeB powder achieves the highest magnetic force as injection molded magnet. And it is possible to achieve BHmax 17GMOe, and can replace some of sintered products.

NdFeB Material Magnetic Properties
Grade	Material	Magnetic feature	Residual flux density  (Br)	Coercive force                      (bHc)	Intrinsic Coercive force (iHc)	Max Energy Product (Bhmax)	Max application Temperature
mT	Gs	KA/m	Oe	KA/m	Oe	KJ/m 3	GMOe	Centigrade
MJMN1210	NdFeB+PA12	Isotropic	454	4,540	305	3,830	691	8,680	35.0	4.40	100
MJMN1220	NdFeB+PA12	Isotropic	507	5,070	338	4,250	693	9,048	43.0	5.40	100
MJMN1230	NdFeB+PA12	Isotropic	536	5,360	353	4,430	773	9,700	47.0	5.90	100
MJMN1240	NdFeB+PA12	Isotropic	619	6,190	385	4,840	704	8,850	59.7	7.50	100
MJMN1310	NdFeB+PA12	Anisotropic	683	6,830	484	6,075	1,154	14,495	86.2	10.80	100
MJMN1320	NdFeB+PA12	Anisotropic	735	7,350	515	6,470	1,136	14,280	99.5	12.50	100
MJMN1330	NdFeB+PA12	Anisotropic	823	8,230	540	6,780	1,089	13,680	119.8