Hexagonal boron nitride powder has high thermal conductivity, low coefficient of friction, high dielectric constant and chemical inertness.
DMCERA® Hexagonal Boron Nitride Powder
Hexagonal boron nitride (hBN) is also call “ White Graphite” with a hexagonal platy crystal structure. Made of carbothermic process and made up of nitrogen atom and boron atom, but with a much higher oxidation resistance at 800ºC. Its theoretical density:2.27g/cm3, specific gravity:2.43, Moh’s hardness:2.
Hexagonal boron nitride powder has high thermal conductivity, low coefficient of friction, high dielectric constant and chemical inertness.
Advantages:
● High volume resistance.
● High thermal shock resistance.
● Lubrication performance.
● Low reactivity with molten metal.
● Low reactivity with gases, solvents.
● High melting point, approximately 3,000℃ (Sublimation).
Applications:
● Lubrication and mold release.
● Filler for resin addition.
● Release powder for sintering of ceramics.
● Make paint for heat resistant and corrosion resistant.
Specifications:
Crystal Type | BN(%) | B2O3(%) | C(%) | O(%) | Particle Size(D50) | BET(m2/g) | Tap Density(g/cm3) |
BN-TYPE1 | >99 | ＜0.6 | 0.1 | <0.8 | 2-4μm | 15-25 | 0.2-0.3 |
BN-TYPE2 | >99 | ＜0.5 | 0.08 | <0.6 | 4-6μm | 8-20 | 0.25-0.35 |
BN-TYPE3 | >99 | ＜0.5 | 0.08 | <0.6 | 7-9μm | 6-16 | 0.3-0.5 |
BN-TYPE4 | >99 | ＜0.3 | 0.05 | <0.5 | 14-20μm | 6-15 | 0.3-0.5 |
BN-TYPE5 | >99 | ＜0.3 | 0.05 | <0.4 | 40-60μm | 5-12 | 0.4-0.6 |
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Jan 20, 2020
Jan 19, 2020
