Hexagonal nitride insulation sleeve
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Hexagonal nitride insulation sleeve
Zhuoyu Technology uses internationally advanced vacuum hot pressing sintering technology to produce hexagonal boron nitride ceramic products, which have good electrical insulation, thermal conductivity, and chemical stability; There is no obvious melting point, and the temperature can reach 2300 ℃ when used in inert gas. It has poor stability in oxygen atmosphere and can be used up to 900C. The expansion coefficient of hexagonal boron nitride is equivalent to that of quartz, but its thermal conductivity is ten times that of quartz.
It has good heat resistance, thermal stability, thermal conductivity, and high-temperature dielectric strength, making it an ideal application for heat dissipation and high-temperature insulation environments.
It has good chemical stability, can resist the erosion of most molten metals, and has excellent self-lubricating performance.
Easy to machine, can be processed according to needs to obtain the desired shape and size.
• A crucible for melting semiconductors;
• Semiconductor heat dissipation and insulation components;
• High temperature bearings, valve gaskets, etc;
• Amorphous ribbon nozzles and powder metal atomization nozzles;
• Heat sleeve;
• Horizontal continuous casting separation ring;
• Glass forming molds.
Zhuoyu can customize various anisotropic boron nitride products according to customer drawings and requirements.
Category | High purity boron nitride ceramics | |
|---|---|---|
Main components | BN | 99.6% |
Density | g/cm³ | ＞2.0 |
Oxygen content |
| 0.4664% |
Porosity |
| 2.6% |
Dietmar Leeb | HL | ＞300 |
Three point bending strength | Mpa | 35 |
Thermal expansion coefficient（25℃-1200℃） | （10-6/K） | -1-2.5 |
Thermal conductivity (At room temperature) | W/mk | 50 |
Maximum operating temperature | Air | 900℃ |
Vacuum | 2100℃ | |
Inert atmosphere | 2300℃ | |
Room temperature resistivity | Ω.cm | ＞1014 |
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