Ceramics Products

Boron Nitride Powders

HCV Grade

Momentive Technologies’ boron nitride (BN) powders grades HCV and AC6003 are Agglomerates composed of submicron hexagonal turbostratic crystals. The mean particle size for these fine powders is 7 11 µm, and over 95% of the particles pass through a 325 mesh.

As initial synthesis powders, these grades provide an economical alternative to higher purity grades such as HCP and possess a smaller hexagonal platelet structure which may provide good nucleation and lubrication qualities.

Grade HCV is Momentive Technologies “basic” grade of BN, and serves as a starting block for the production of many advanced materials. It may provide excellent nucleation in plastics applications for foaming and solidification.

Features and Benefits

  • Thermal Conductor
  • Electrical Insulator
  • Low Dielectric Constant/Loss
  • High Temperature Stability
  • Lubricious
  • Inert and Chemically Stable
  • Non-wetting
Typical Physical Properties
Crystal (Type)
Hexagonal (Turbostratic)
Mean Particle Size μm
Crystal Size μm
Surface Area m2/g
Tap Density g/cm3
Oxygen %
Soluble Borates %
Carbon %

Typical properties are average data and are not to be used as or to develop specifications.

Typical Particle Size Distribution 1

hcv typical particle size distribution

Potential Applications

  • Paints
  • Refractory coatings
  • Mold/die release agents for their release properties and inertness to molten metals and salts.
  • They are also hot pressable materials which can be considered for use in manufacturing shapes and composites where good thermal conductivity, high electrical resistivity and machinability are desired.

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Boron Nitride Powders – HCV

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Boron Nitride Powders – HCV

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