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Product Introduction

Bonded NdFeB magnet is made through Compression Molding or Injection Molding of the mixture of quick-quenched NdFeB magnetic powder and bonding agent. Due to its high accuracy in size, the bonded magnet may be formed into magnetic components of relatively complicated shapes. Also, it features single-time molding and multi-pole orientation. The injection molded magnet has a high mechanical strength and maybe molded together with other matching parts.

Application
  • Motors
  • Micro motors for HD and CD ROMs
  • Sensors
  • Microphones
Magnetic and Physical Properties of Bonded NdFeB Magnets

Grade Br
mT (KGs)
Hcb KA/m (KOe) Hcj KA/m (KOe) BHmax KJ/m3 (MGOe) µr
µH/M
α
%/ºC
TC
ºC
/°F
Tmax
ºC
/°F
D
g/m3
HRB
GPM-2 300-400 (3.0-4.0) 160-240 (2.0-3.0) 480-640 (6.0-8.0) 16-24 (2.0-3.0) 1.2 -0.11 350/662 160/320 4.5-5.0 40-45
GPM-4 400-500 (4.0-5.0) 240-320 (3.0-4.0) 560-720 (7.0-9.0) 32-44 (4.0-5.5) 1.2 -0.11 350/662 160/320 5.2-5.7 40-45
GPM-6 500-600 (5.0-6.0) 320-400 (4.0-5.0) 560-720 (7.0-9.0) 48-60 (6.0-7.5) 1.2 -0.11 350/662 160/320 5.5-6.0 40-45
GPM-8 600-680 (6.0-6.8) 360-440 (4.5-5.5) 640-800 (8.0-10.0) 60-72 (7.5-9.0) 1.2 -0.11 350/662 160/320 5.8-6.1 35-38
GPM-8H 600-650 (6.0-6.5) 400-480 (5.0-6.0) 1040-1360 (13.0-17.0) 60-68 (7.5-8.5) 1.2 -0.12 300/572 160/320 5.8-6.1 35-38
GPM-8SR 600-650 (6.0-6.5) 400-480 (5.0-6.0) 800-1120 (10.0-14.0) 60-68 (7.5-8.5) 1.2 -0.13 300/572 180/356 5.8-6.1 35-38
GPM-8L 600-680 (6.0-6.8) 400-480 (5.0-6.0) 640-800 (8.0-10.0) 64-72 (8.0-9.0) 1.2 -0.12 300/572 160/320 5.8-6.1 35-38
GPM-10 680-730 (6.8-7.3) 400-480 (5.0-6.0) 640-800 (8.0-10.0) 76-84 (9.5-10.5) 1.2 -0.10 350/662 160/320 5.8-6.1 35-38
GPM-10H 700-750 (7.0-7.5) 400-480 (5.0-6.0) 640-800 (8.0-10.0) 80-88 (10.0-11.0) 1.2 -0.10 350/662 160/320 6.0-6.3 35-38
GPM-12 720-770 (7.2-7.7) 440-520 (5.5-6.5) 720-880 (9.0-11.0) 88-96 (11.0-12.0) 1.2 -0.10 350/662 160/320 6.0-6.3 35-38
GPM-12D 720-770 (7.2-7.7) 440-520 (5.5-6.5) 720-880 (9.0-11.0) 88-96 (11.0-12.0) 1.2 -0.08 400/752 170/338 6.0-6.3 35-38
GPM-12L 760-810 (7.6-8.1) 400-480 (5.0-6.0) 480-640 (6.0-8.0) 88-96 (11.0-12.0) 1.2 -0.11 320/608 150/302 6.0-6.3 35-38
GPM-13L 780-830 (7.8-8.3) 400-480 (5.0-6.0) 480-640 (6.0-8.0) 88-104 (11.0-13.0) 1.2 -0.11 320/608 150/302 6.1-6.4 35-38