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TRIGON Chemie Datasheet

Boron nitride BN-09 *

Boron nitride
EC no.:
Purity (Boron nitride) (%):Min. 99
B2O3 (%):Max. 0.1
Oxygen (%):Max. 0.7
Ca (ppm):Max. 80
Surface (BET) (m²/g):5 - 10
Particle size D50 (µm):7.5 - 10.5
Particle size D97 (µm):Max. 55
Characteristic properties:
Appearance:White powder
Additive in high-quality special oils and specialty greases for improving the frictional properties.
The grade BN-09 finds particular application in the preparation of greases, because the higher viscosity of greases compared to oils enables the use of a coarser particle size distribution which results in cost advantages compared to finer grades.
Other grades with different particle size distributions are available, so that an accurate adjustment can be made to the final product.
Boron nitride is also used as an additive for increasing the thermal conductivity in plastics, for which we recommend mainly the quality BN-35.


  • High thermal conductivity
  • Very high lubricant properties
  • Low thermal expansion
  • Good thermal shock resistance
  • High electrical restistance
  • Low dielectric constant and loss tangent
  • Microwave transparency
  • Non toxic
  • Easily machined - non abrasive and lubricious
  • Chemically inert
  • Not wetted by most molten metals
HS Taric-no.:
2850 00 20
- -
BKi/PR 05/2019

Suggestions for processing and use of our products correspond to our best knowledge and are always given without obligation. There is no liability for incorrect formulations and mixing recommendations. Each processor of our products is liable for compliance with all legal regulations, including those in the field of patent law.

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