Boron Nitride Disc (H-BN)

Diameter: 10~400mm, Thickness: >2mm


Boron Nitride Disc, H-BN Ceramic Discs


We provide standard products & tailor-made products for hot-pressed boron nitride disc. Except for pure BN99 disc, we also supply BN composites with silicon carbide, calcium borate, aluminum nitride, and zirconia, to fulfill various demands of the customers. Check the boron nitride specifications for our pure BN99 and zirconia composite material ZSBN.


Boron Nitride Disc Basic Information & Materials

MaterialBN99, ZSBN, BN-AlN, HBN
Molecular Weight24.82
Melting Point2973 °C
Density2.1 g/cm3 (h-BN); 3.45 g/cm3 (c-BN)
Solubility in H2OInsoluble
Refractive Index1.8 (h-BN); 2.1 (c-BN)
Electrical Resistivity13 to 15 10x Ω-m
DimensionsDiameter: 10~400mm, Thickness: >2mm

*Enhanced boron nitride discs are usually available within 12″x12″x12″.


Boron Nitride Materials

BN99Hot pressed at high temperature (1900℃).
Excellent corrosion resistance and thermal conductivity. Limited wear resistance
Self-bonded and high purity (>99%)
BNBOGeneral-purpose material
Bonded by boric oxide
BNCBCalcium borate bonded boron nitride
Enhanced moisture resistance
BN60BN 60%, SiO2 40%
BN40BN 40%, SiO2 60%
ZSBNBN-45%, Zr2O3 45%



As a ceramic material, boron nitride is quite fragile in a lot of cases. Our h-BN ceramic disc is carefully handled to minimize damage during storage and transportation. Suitable outer boxes and inner cushioning materials are used for BN products, vacuum packing is also engaged for some of the parts.


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