| Customization: | Available |
|---|---|
| Application: | Insulators, Electrical Winding Insulation, Insulating Varnish |
| Color: | White |
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PBN substrate tube crucible Parts for The Semiconductor Equipment
LEC PBN Crucible
1. Extremly High Purity
2. High Temperature
3. Excellent Thermal Shock Resistance
4. Chemical Inertness
Non-toxic
High purity
Low density
Chemically inert
Non-porous
One of the highest dielectric strengths known
Good thermal conductivity
Tensile strength increases with temperature
Excellent thermal shock resistance
High oxidation resistance
Negligible outgassing
Advantageous anisotropy (electrical, mechanical, and thermal)
It is produced in a hot pressed form and the resulting material properties are anisotropic relative to the press direction. In fact, the material properties can vary considerably depending on the direction or the grade of the material. Futhermore, it is easily machined into complex shapes using standard carbide tooling. The operation temperatures range from 900°C for oxidizing environments to 2200°C for inert environments.TECHNICAL PROPERTIES
Type |
99BN |
CBN |
ABN |
ZBN |
Main Content |
BN>99% |
BN>98.5% |
BN+AlN |
BN+ZrO2 |
Binder |
B2O3 |
CaB2O6 |
ALBO3 |
B2O3 |
Density (g/cm3) |
1.95-2.0 |
2.0-2.1 |
2.6 |
2.95 |
Flexural Strength (Mpa) |
30 |
100 |
200 |
200 |
Compressive Strength (Mpa) |
100 |
280 |
350 |
380 |
Electrical Resistivity (ohm.cm) |
>10^14 |
>10^13 |
>10^14 |
>10^12 |
Max. Working Temp. (°C) air |
900 |
900 |
900 |
1000 |
Max. Working Temp. (°C) inert gas |
2400 |
2400 |
2100 |
1800 |
Max. Working Temp. (°C) vacuum |
2200 |
2200 |
1900 |
1800 |
Thermal Conductivity (W/m.K) |
20 |
35 |
50 |
30 |
Expansion Coefficient 25 - 1000 °C (10^-6/K) |
1.5 |
2 |
4.5 |
2 |
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