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Injection Bonded NdFeB Magnet

NdFeB Magnet


Injection NdFeB magnet (isotropic NdFeB powder with polymer plastics, such as PA6,PA12,PPS)

Injection molded bonded neodymium irob boron (NdFeB) magnet are injection molded utilizing nylon 6 or 12 as the binder, and are available up to 5.5 MGOe, which is a kind of new-generation composite material made from permanent magnetic powder and plastic, has outstanding magnetic properties and plastic properties and features high size precision and exceptional shock resistance. injection molded neodymium iron boron magnets can be processed into various components with complicated shapes, thus can be used in the industries of micro or special motor, office equipment, instrument, meter, and beeper. Our high production techniques also allow for very tight dimensional tolerances for complete product optimization. Custom design available.

injection bonded neodymium iron boron ndfeb magnets


  1. Design and manufacturing of orientation moulds were carried out
  2. Having high dimensional precision and impact-resistance
  3. Capable of forming products with inlay
  4. The injection moulding parts are suitable for forming products with various shapes and thin walls
  5. Multi polar magnetization can be carried out as per customer's requirements


  • Different kind of micro-special motor
  • Different kind of fan motor
  • Different kind of DC motor
  • Synchronization electric motor
  • House electric apparatus
  • Ice chipper electric motor
  • Hand-operated electric generator
  • Automobile motor
  • Time gauge
  • Instruments for auto

Manufacturing Method

NdFeB powder is blended with a plastic material and injection molded. The resulting parts have energy products in the 5 MGOe range, but can be made with extremely intricate shapes.

Physical & Magnetic Properties Of Injection Bonded NdFeB Magnet

Br (mT) 400-490 490-570 480-560 570-630
bHc(kA/m) 256-312 312-384 336-400 382-430
iHc(kA/m) 576-736 640-800 960-1360 680-840
(BH)max(kJ/m3) 28-36 40-56 44-60 60-68
Recoil permeability 1.1-1.22 1.1-1.22 1.1-1.22 1.1-1.22
Recoil temperature coeffiient of Br. (%/) -0.10
Magnetizing field (Ka/m) 1592 1592 1990 1592
Density(g/cm3) 4.0-4.5 4.5-5.5 5.0-5.5 5.0-5.5
Ring crushing strength constant (N/mm2) > 78 > 78 > 78 > 78

Typical Demagnetization curve of Injection NdFeB Magnet

Typical Demagnetization curve of Injection NdFeB Magnet

Temperature Characteristic Curve Of Injection NdFeB Magnet

Temperature Characteristic Curve Of Injection NdFeB Magnet


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