Magnetic properties of bonded NdFeB isotropic powder

Grade No. Residual Induction Coercive Force Intrinsic Coercivity Engery Product Features
(Br) (Hcb) (Hcj) ((BH)max)
(mT) (kG) (kA/m) (kOe) (kA/m) (kOe) (kJ/m3) (MGOe)
YMM-G (11-15) 720-750 7.20-7.50 360-480 4.5-6.0 1030-1350 13.0-17.0 80-92 10.0-11.5 Temperature Resistant
YMM-T (12-12) 760-800 7.60-8.00 360-480 4.5-6.0 836-1035 10.5-13.0 92-100 11.5-12.5
YMM-J (10-7) 730-780 7.30-7.80 336-416 4.2-5.2 560-640 7.0-8.0 76-84 9.5-10.5 High Cost- Effective
YMM-I (11-8) 730-780 7.30-7.80 360-480 4.5-6.0 640-720 8.0-9.0 84-92 10.5-11.5
YMM-N (12-9) 760-800 7.60-8.00 360-480 4.5-6.0 720-800 9.0-10.0 92-100 11.5-12.5
YMM-H (13-9) 790-820 7.90-8.20 430-510 5.4-6.4 640-800 8.0-10.0 97-105 12.2-13.2
YMM-M (9-5) 720-760 7.20-7.60 280-360 3.5-4.5 384-480 4.8-6.0 68-76 8.5-9.5
YMM-S (8-4) 800-850 8.00-8.50 216-256 2.7-3.2 320-400 4.0-5.0 56-68 7.0-8.5 Low Cost
YMM-Q (8-3) 940-1050 9.40-10.5 175-207 2.2-2.6 200-256 2.5-3.2 56-64 7.0-8.0 Easier Magnetizing
YMM-B (15-9) 860-895 8.60-8.95 455-565 5.7-7.1 640-800 8.0-10.0 111-126 14.0-15.8 High Energy Content
YMM-E (15-7) 900-930 9.00-9.30 400-480 5.0-6.0 517-640 6.5-8.0 115-123 14.5-15.5

Additional magnetic properties and physical properties

Grade No. Temperature Coefficient Temperature Coefficient Curie Temperature (Tc) Magnetizing Field to >95% Hs(Min.) Maximum Operating Temperature Maximum Process Temperature Theoretical Density Apparent Density Features
Br to Hcj to (kAm) (kOe) g/cm3 g/cm3
%/℃ %/℃
YMM-G   (11-15) -0.12 -0.4 305 >2000 >25 120-160 200 7.6 ~2.6 Temperature Resistant
YMM-T   (12-12) -0.11 -0.4 360 >1600 >20 140-180 250 7.63 ~2.6
YMM-J    (10-7) -0.12 -0.4 305 >1600 >20 120-160 250 7.57 ~2.6 High Cost- Effective
YMM-I    (11-8) -0.12 -0.4 305 >1600 >20 120-160 250 7.57 ~2.6
YMM-N    (12-9) -0.12 -0.4 305 >1600 >20 120-160 250 7.57 ~2.6
YMM-H    (13-9) -0.12 -0.4 305 >1600 >20 120-160 250 7.57 ~2.6
YMM-M    (9-5) -0.12 -0.4 305 >1600 >20 100-130 250 7.57 ~2.6 Low Cost
YMM-S     (8-4) -0.12 -0.4 380 >1600 >20 90-130 200 7.58 ~2.6 Easier Magnetizing
YMM-Q     (8-3) -0.11 -0.4 380 >1600 >20 80-120 200 7.58 ~2.6
YMM-B    (15-9) -0.11 -0.4 360 >1600 >20 120-160 200 7.64 ~2.7 High Energy Content
YMM-E    (15-7) -0.11 -0.4 325 >1600 >20 90-130 200 7.63 ~2.7