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Description
Specifications
Outside Diameter: 16.00 mm
Inside Diameter: 11.00 mm
Wall Thickness: 2.50 mm
Length: 50 mm
Condition: Hot Pressed
Custom size is available. White in color.
Hexagonal Boron Nitride has a microstructure similar to that of Graphite. In both materials, this structure, made up of layers of tiny platelets, is responsible for excellent machinability and low-friction properties. we called hexagonal boron nitride (HBN) or white graphite.
Features of Boron Nitride
- High thermal conductivity
- Low thermal expansion
- Good thermal shock resistance
- High electrical resistance
- Low dielectric constant and loss tangent
- Microwave transparency
- Non toxic
- Easily machined — non abrasive and lubricious
- Chemically inert
- Not wet by most molten metals
INNOVACERA® BN Material Properties & Typical Applications
Material Properties | |||||||
Grade | BN99.7 | BN99 | BN-SI | BN-AL | BN-SiC | BN-Zr | BN-AIN |
Compositions | BN>99.7% | BN>99% | BN+AL+SI | BN+ZR+AL | BN+SiC | BN+ZrO2 | BN+AlN |
Density (g/cm³) | 1.60 | 2.0 | 2.20-2.30 | 2.25-2.35 | 2.40-2.50 | 2.80-2.90 | 2.80-2.90 |
25℃ Resistivity (Ω·cm) | >1014 | >1014 | >1013 | >1013 | >1012 | >1012 | >1013 |
Three-point Flexural Strength (Mpa) | 18 | 35 | 65 | 65 | 80 | 90 | 90 |
Compressive Strength (Mpa) | 45 | 85 | 145 | 145 | 175 | 220 | 220 |
Coefficient of Thermal Expansion 25~1000℃ (10-6/K) | 1.5 | 1.8 | 2.0 | 2.0 | 2.8 | 3.5 | 2.8 |
Thermal Conductivity (W/mK) | 35 | 40 | 35 | 35 | 45 | 30 | 85 |
Max Service Temp. (℃) | |||||||
Oxygen | 900 | 900 | 1000 | 1000 | 1000 | 1000 | 1000 |
Inert Gas | 2100 | 2100 | 1750 | 1800 | 1800 | 1800 | 1800 |
Longstanding In High Vacuum | 1900 | 1900 | 1750 | 1800 | 1800 | 1800 | 1800 |
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