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Pyrolytic Boron Nitride (PBN) Products
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Pyrolytic Boron Nitride (PBN) Coating
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Pyrolytic Boron Nitride (PBN) is a kind of advanced ceramic, can be produced with 99.999% purity in high density. It made by ammonia and Boron halide through Chemical Vapor deposition(CVD) process in high temperature and high vacuum condition: NH3 +BX3=BN+3HX, it can be produced as PBN plates, and also can be produced as PBN final products directly like crucible, boat, coating, etc.
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Pyrolytic Boron Nitride (PBN) Coating Product Instruction:
In High temperature, high vacuum, and high purity environment, Pyrolytic Boron Nitride(PBN) is usually used as coating material to protect the graphite. PBN coating can avoid the graphite heating unit to volatilize in high temperature. Heeger Materials supplies pyrolytic boron nitride(PBN) coating with high-quality and at a competitive price.
Pyrolytic Boron Nitride (PBN) Coating Product Feature:
- 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
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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