Boron Carbide Powder, B4C, CAS 12069-32-8

HMCP-1705

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Boron Carbide (B4C) Powder is a black powder with high hardness, which has chemical resistance and hardness similar to diamond. It is widely used in manufacturing chemical-resistant pottery and wear-resistant tools. The purity and particle size can be tailored according to specific requirements.

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Data sheet

Purity99%
CAS12069-32-8

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Boron Carbide (B4C) Powder has a lower hardness than industrial diamond, but higher than silicon carbide. It is an extremely hard ceramic material with a moh's hardness of 9.36. It is one of the hardest materials known, behind cubic boron nitride and diamond. Heeger Materials can provide high-quality Boron Carbide (B4C) Powder at a competitive price.

Boron Carbide Powder, B4C, CAS 12069-32-8

  • Formula: B4C
  • Molecular weight: 55.25 g/mol 
  • Density: 2.508~2.512 g/cm3
  • Melting point: 2350℃
  • Boiling point: 3500℃
  • Moh's hardness: 9.36
  • Microhardness: 4950 kgf/mm2
  • CAS: 12069-32-8

Boron Carbide Powder Specifications

Product

Chemical Composition (%)

B4C

B

C

N

O

79.0

19.2

0.2

1.4

Particle Size Distribution

D10

D50

D90

0.1μm

0.8μm

2.3μm

BET

15 m2/g

Boron Carbide Powder Properties

B4C Powder - SEM

  • Low fragility compared to most pottery.
  • Has a large thermal neutron capture cross-section.
  • Resistant to chemical action.
  • Insensitive to hot hydrogen fluoride and nitric acid.
  • Dissolves in molten alkali.
  • Insoluble in water and acids.

Boron Carbide Powder Applications

  • Used as abrasives or powders for grinding
  • Used as abrasion-resistant engineering parts
  • Used in lightweight ceramic armor
  • Used in metal fusion infiltration
  • Used as boron sources for producing other boron compounds
  • Used in high-temperature thermocouples
  • Used as SiC advanced ceramic sintering aids
  • Used as neutron shielding materials

Boron Carbide Powder Storage and Packing

Boron Carbide (B4C) Powder should be kept sealed and stored in a dry and cool place. The vacuum packing is 100g, 500g, 1kg/bag, 25kg/drum, or as required.

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