NOZZLES-FOR-GAS-AUTOMIZED-POWDERS-MAKING
NOZZLES-FOR-GAS-AUTOMIZED-POWDERS-MAKING
Boron Nitride Compound Ceramic
1. Excellent corrosion resistance and wear resistance, resistant to corrosion of stainless steel, copper, aluminum, iron silicon aluminum, iron silicon nickel, iron nickel and other alloys.
2. The highest using temperature is 1750℃, and the using life is long.
3. Strong thermal shock resistance, high temperature alloy solution instant repeated scouring without cracking and deformation.
4. The formula can be independently designed according to customer requirements.
1.Powder Metallurgy
2.Metal Casting
3.Insulators for High Temperature Furnace
4.Crucibles for Metal Evaporation
5.Parts for Melting Metals or Glass
6.Casting Molds for Metal or Alloy
7.High Temperature Support Parts
8.Transport Pipes or Nozzles for Melting Metal
Product Description
| Grade Typical Value | BN-B | BN-C | BN-D | BN-E | |
| Purity (%) | BN+Zr+Al | BN+SiC | BN+Zr | BN+AlN | |
| Color | Gray white | Gray green | Gray white | Gray green | |
| Density (g/cm3) | 2.25-2.35 | 2.40-2.50 | 2.80-2.90 | 2.80-2.95 | |
| Oxygen content （％） | － | － | － | － | |
| Volume resistivity （Ω・cm） | >1013 | >1012 | >1012 | >1013 | |
| Operating temp （℃） | Air | ≦1000 | ≦1000 | ≦1000 | ≦1000 |
| Inert gas | ≦1750 | ≦1750 | ≦1800 | ≦1800 | |
| Vacuum | ≦1750 | ≦1750 | ≦1800 | ≦1800 | |
| Bending strength （MPa) | 65 | 80 | 90 | 90 | |
| Coefficient of thermal expansion （10-6/℃） | 2.0 | 2.8 | 3.0 | 2.8 | |
| Thermal conductivity （W/m･K） | 30 | 40 | 30 | 85 | |
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