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PBN Coating
1. Product Instruction
In High temperature, high vacuum, and High purity environment,
PBN is usually used as coating material to protect the graphite.
PBN coating can avoid the graphite heating unit to volatilize in high temperature
2. Product Feature
High purity (99.999%)
High insulativity
Low outgassing in high temperature
Coating can combined with substrate tightly, not easy to peel off
High resistivity to chemical corrosion in high temperature
High density and effectively prevent volatilization of substrate
- Specification
- Parameter
- Application
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Parameter of PBN
Properties Units Values Density g/cm3 1.95-2.20 Tensile Strength MPa 112 Bending Strength MPa 173 Compression Strength MPa 154 Young's Modulus GPa 18 Thermal Conductivity W/m°C "a" 60 "c" 2 Specific Heat J/g·℃ 0.90（RT） Resistivity Ω.cm 2×1015 Dielectric Strength D.C. volts/mm 2×1015 Dielectric Constant "c" 3.07 Metal Impurity Content ppm <10
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