Home > Products > Boron Nitride Ceramics > 99% Purity Boron Nitride / HPBN / BN Ceramic Tile for Polysilicon Ingot Casting
99% Purity Boron Nitride / HPBN / BN Ceramic Tile for Polysilicon Ingot Casting
- 3000 Piece / Pieces per Month
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Product Details
Place of Origin: | Fujian, China | Type: | Ceramic Plates | Application: | Industrial Ceramic |
Model Number: | UPT-BN-0013 | Brand Name: | UNIPRETEC |
Product Description
Boron Nitride (BN) is a white, low porosity refractory material with physical and mechanical properties similar to Graphite. However, unlike Graphite, Boron Nitride has high thermal conductivity and good thermal shock performance. The most common formulation of Boron Nitride contains boric oxide, which can cause Boron Nitride to absorb moisture, resulting in swelling and property degradation.
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. |
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 |
inert gas | 2400 | 2400 | 2100 | 1800 | |
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 | 2.5 | |
Typical Applications | |||||
High temperature furnace parts(insulator bushings) | X | X | X |
| |
Metal evaporation crucible | X | X |
|
| |
Molten material casting, metal and glass process | X | X | X | X | |
Rare metal or special alloy casting mould parts | X | X | X | X | |
High temperature stressed parts |
|
| X | X | |
Molten metal pipe, nozzles etc. |
| X | X | X |
- Break rings for horizontal steel casting | - Feedthroughs for high voltage equipment |
- Evaporator boats for aluminum metallization | - Nozzles for nonferroud metals |
- Components for semiconductor manufacturing | - Crucibles for crystal growth |
- Neutron absorbers | - Diffusion source wafers |
- Boron dopant for silicon wafer | - Insulators in PVD / CVD vacuum coating chamber |
- Electronic component assembling jigs | - Electronic components & substrates |
- Spacers for glass melts and nonferrous | ...... |
As a professional company in advanced ceramic industries, UNIPRETEC is manufacturing and supplying high quality and high precision ceramic components for clients from worldwide. Our ceramic products are widely used in various fields of automotive, metallurgy, machinery, electronic & electrical, food, chemical, medical and so on. With experienced engineers and talented workers, we are able to evaluate projects and drawings properly, make valuable suggestion, supply satisfying products. Our materials including:
- Aluminium Oxide ( 95% 96% 99% 99.5% 99.7% Al2O3 )
Aiming at building long term cooperation relationship with our clients, we set our motto as "Quality First". Far now, our products have been exported to North Amirica, East Europe, West Europe, East Asia, Southeast Asia and get good reputation from our client. |
--- ZrO2 Zirconia Ceramic Parts --- --- Ceramic Grinding Media --- --- Al2O3 Alumina Ceramic Parts ---
Contact Us
- Xiamen Unipretec Ceramic Technology Co., Ltd.
- Contact nameThomas Yang
- Phone86-0592-5510319
- AddressNo.151 Yuehua Road, Huli District Xiamen,Fujian
Alumina Ceramics | Boron Nitride Ceramics | Ceramic Cutting Blades | Ceramic Grinding Media |
Ceramic Parts for Welding | New Products | Silicon Nitride Ceramics | undefined |
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