Suntek Material is one of major supplier and exporter of Boron Carbide in China.

Boron Carbide (B4C) is one of the hardest man-made materials in the world. Its hardness is as high as 9.36 Mohs, its density is 2.52 g/cm3 and melting point is 2450℃. It possesses properties of high strength, low density, corrosion resistant, low/high temperature resistant, low thermal conductivity, high modulus of elasticity, no magnetism and high grinding efficiency. It is a high performance abrasive material and engineering ceramics material.


  • Abrasive for lapping, polishing, grinding and ultrasonic cutting
  • Lapping of LED sapphire wafer 
  • Anti-oxidant additive for refractory
  • Ceramic Armor 
  • Engineering Ceramics Products
  • Nuclear reactor control rod & neutron absorbing shielding
  • Wear resistant parts such as blasting nozzles, seals, drawing dies, moulds, etc.
  • Additive for making high grade welding rods

Product Data Sheet :

Suntek Boron Carbide for Abrasive & Refractory

Suntek Boron Carbide Hot Press Powder 

Suntek Boron Carbide Sub-micron Powder 

If you have any question, please contact us