Product Details

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 bonding neodymium magnets with 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 Material Properties

Several 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/NdFeB magnet material can 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		neodymium magnet / NdFeB Mold density	Melt Flow Rate	IZOD Impact Strength	Tensile Strength	Flexural Strength
	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	21.8	2.73	3.79	1000	25	53	95	NdFeB+PA12
NB30L1	381	3810	256	3211	671	8431	24.6	3.09	4.21	800	10	40	75
NB40	455	4550	300	3769	697	8760	34.7	4.36	4.52	900	14	51	90
NB50	503	5030	325	4078	647	8132	41.9	5.26	4.91	400	11	50	85
NB70	592	5920	370	4647	681	8549	56.7	7.13	5.34	860	8	45	88
NB80	647	6470	384	4829	589	7401	65.4	8.22	5.67	335	8	55	100

NC15	276	2760	195	2453	679	8531	13.6	1.71	3.52	1200	9	40	105	NdFeB+PPS
NC20	336	3360	235	2946	656	8241	19.7	2.48	3.86	1200	9	40	110
NC30	370	3700	266	3346	943	11840	24.5	3.08	4.07	1000	8	44	110
NC30L	384	3840	264	3310	680	8548	25.4	3.19	4.21	900	8	45	110
NC40H	447	4470	312	3915	899	11295	34.5	4.34	4.61	400	6	53	87
NC50	500	5000	340	4274	877	11023	42.1	5.29	5.02	200	6	48	88
NC60	533	5330	372	4672	899	11290	49.5	6.21	5.11	150	6	43	83

HNB120a	786	7860	461	5790	860	10800	101.1	12.7	4.92	500	12	48	86	HDDR +PA12
HNB140a	821	8210	501	6290	1003	12600	113	14.2	5.15	400	7	47	83	HDDR +PA12

MFR Test Condition: NB/HNB series (270℃, 10kg); NC series (310℃, 10kg).

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