Plastic Bonded Neodymium Magnets

This magnet is a compound of plastic material, rubbers and rare-earths.
The different shapes of neodymium magnets are obtained using a process of Injection, compression and extrusion.
This magnet has a high coercivity and good magnetic stiffness.

Magnetic properties:

Type Br bHc JHc (BH)max M.O.T.
  KG(mt) KOe(kA/m) KOe(kA/m) MGOe(kJ/m³) °C
BN10/13 >9.8(980) >9.2(730) >25(1990) >23(190) <180°C
BN10/9 >9.8(980) >9.2(730) >30(2380) >23(190) <200°C
BN11/9 >10.4(1040) >9.8(7800) >25(1990) >2.6(210) <180°C
BN7/3 >10.4(1040) >9.8(7800) >30(2380) >2.6(210) <200°C
BN8/3 >10.8(1080) >10.1(800) >20(1590) >28(230) <150°C


Physical properties:

Coefficient of thermal expansion 0.09 - 0.1%/°C
Compressive strength 4.8X 10-6/°C
Curie Temperature 400°C
Density 5.5 - 6.6 g/cm³
Electrical Resistance 14000 µΩ
Hardness 35 - 45 - HRB
Maximum service temperature 110°C
Magnetizing force (open circuit condition) ≥ 25KOe