Working Principle

Because ferrite powder or resin is mixed into the rubber magnet to achieve good plasticity, it can be perforated, cut, and pressed into various complex shapes. It is mainly used in small motors, toys, stationery, refrigerators, advertising magnets and other products.

Process

Porformance-Flexible Ferrite Rubber Magnet

(Grade)	Remanence (Br)		Coercivity (Hcb)		Intrinsic Coercive Force (Hci)		Max. Energy Product (BH)max		Isotropic/Anisotropic	Max. Working Temperature (Tw)
(Grade)	kGs	mT	kOe	kA/m	kOe	kA/m	MGOe	kJ/m³		℃
FR-B5	1.7-1.9	170-190	1.2-1.45	95-115	1.88-2.40	150-190	0.57-0.80	4.6-6.5	Isotropic	-40~85
FR-B6.5	1.85-2.0	185-200	1.13-1.38	90-110	1.57-1.88	125-150	0.74-0.93	6.0-7.0	Isotropic	-40~85
FR-10	2.2-2.4	220-240	1.76	2.07	2.5-2.95	200-235	1.1-1.3	9.0-10.5	Anisotropic	-40~85
FR-11	2.3-2.5	230-250	1.82-2.07	145-165	2.38-2.85	190-225	1.18-1.36	9.5-11.0	Anisotropic	-40~85
FR-13	2.5-2.7	250-270	2.2-2.4	175-190	2.5-2.9	200-230	1.42-1.80	11.5-14.5	Anisotropic	-40~85
FR-15	>2.7	>270	2.2-2.4	175-190	2.5-2.9	200-230	>1.8	>14.5	Anisotropic	-40~85
FR-NBR	2.4-2.7	240-270	1.9-2.25	151-179	2.4-3.0	191-238	1.4-1.7	11.2-13.6	Anisotropic	-40~100

Porformance-Flexible NdFeB Rubber Magnet

Grade	Remanence (Br)		Coercivity (Hcb)		Intrinsic Coercive Force (Hci)		Max. Energy Product (BH)max		(Isotropic/Anisotropic)	Max. Working Temperature (Tw)
Grade	kGs	mT	kOe	kA/m	kOe	kA/m	MGOe	kJ/m³		℃
NR2	2.5-3.5	250-350	1.5-2.5	120-200	2.0-4.0	150-320	1.5-2.5	12-20	Anisotropic	-40~120
NR3	3.3-4.3	330-430	2.1-3.1	170-250	3.8-6.8	302-540	2.5-3.5	20-28	Anisotropic	-40~120
NR4	3.8-4.8	380-480	2.7-3.7	210-300	6.8-8.8	540-700	3.5-4.5	28-36	Anisotropic	-40~120
NR5	4.3-5.3	430-530	3.2-4.2	250-340	7.8-9.8	620-780	4.5-5.5	36-44	Anisotropic	-40~120
NR6	4.8-5.8	480-580	3.7-4.7	290-380	8.0-10	630-800	5.5-6.5	44-52	Anisotropic	-40~120
NR7	5.3-6.3	530-630	4.3-5.3	340-420	8.5-11	670-880	6.5-7.5	52-60	Anisotropic	-40~120
NR8	5.7-6.7	570-670	4.5-5.5	350-440	8.5-11	670-880	7.5-8.5	60-68	Anisotropic	-40~120
NR9	6.1-7.1	610-710	4.7-5.7	370-450	8.0-10.5	640-840	8.5-9.5	67-75	Anisotropic	-40~120
NRE2	2.5-3.5	250-350	1.5-2.5	120-200	2.0-4.0	150-320	1.5-2.5	12-20	Anisotropic	-40~100
NRE3	3.5-4.5	350-450	2.1-3.1	170-250	3.5-5.5	280-440	2.5-3.5	20-28	Anisotropic	-40~100
NRE4	4.5-5.5	450-550	2.5-3.5	200-280	4.5-5.5	350-440	3.5-4.5	28-36	Anisotropic	-40~100
NRE5	5.5-6.5	550-650	2.5-3.5	200-280	4.5-5.5	350-440	4.5-5.5	36-44	Anisotropic	-40~100
NRE6	6.5-7.5	650-750	3.0-4.0	240-320	4.5-5.5	350-440	5.5-6.5	44-52	Anisotropic	-40~100