STA-Hot sale 99% al2o3 melting refractory alumina ceramic crucible
- 100000 Piece / Pieces per Month
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Product Details
| Place of Origin: | Henan, China | Type: | Ceramic Parts | Application: | Refractory |
| Material: | Alumina Ceramic | Model Number: | STA-AC001 | Brand Name: | STA |
Product Description
Specifications
High purity Alumina crucible1.high purity Al2O3 >99%
2.industrial alumina crucible
3.high working temperature 1800C
High temperature alumina ceramic crucible
1.Product description
Alumina crucible is the use of high purity powder, adding trace elements, from the phase structure and fiber structure modification and production of a smelting vessel.Products and the whole stability of zirconia porous alumina crucible crucible, the former is mainly used for laboratory smelting and burn into other high melting point, which is mainly used for high temperature melted with Pt, Rh, Au and other precious metals.
2.Features of the alumina crucible
1. High chemical etching resistance.
2. High temperature up to 1800°C
3. Resistant to sudden cold and hot, un-explosive.
4. High density of slip casting.
5. Various kinds of shape.
3. Alumina Ceramics Technical Parameter
Alumina Content |
| 80-85% | 90-96% | > 99.5% | 99% |
General Application |
| Lower Cost Electrical & Mechanical | High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural & Metalizing | Extremely High Purity, Temperature & Strength; Excellent Corrosion & Wear Resistance | Porous, Easily Degassed & Machinable |
Porosity | % | 0-.05 | 0-.05 | 0-.05 | Variable |
Density | gm/cm3 | 3.45-3.50 | 3.55-3.75 | 3.75-3.95 | 2.4 |
Flexural Strength | kpsi | 35.0-40.0 | 40.0-50.0 | 50.0-55.0 | - |
Comprehensive Strength | kpsi | 260.0 | > 300.0 | > 300.0 | - |
Tensile Strength | kpsi | 15.0-20.0 | 20.0-28.0 | 20.0-28.0 | - |
Linear Coefficient of Thermal Expansion | (cm/cm/°C) 25-300°C 25-700°C | 5.9X10-6 6.5X10-6 | 6.3X10-6 7.0X10-6 | 6.5X10-6 7.5X10-6 | 6.5X10-6 7.5X10-6 |
Dielecctric Constant at 25°C | 1 MH 10 MH | 8.5-8.9 8.4-8.8 | 9.2-9.8 9.0-9.6 | 9.5-9.9 9.3-9.7 | - |
Dielectric Strength | Volt/mil | 200 | 225 | 225 | - |
Te Value | °F °C | 1472 800 | > 1832 > 1000 | > 1832 > 1000 | > 1832 > 1000 |
Thermal Conductivity at 25°C | cal/sec/cm2/cm/°C | .03-.04 | .04-.06 | .07-.08 | - |
Thermal Shock |
| Good | Good | Good | Good |
Safe Use Temperature | °F °C | 2550 1400 | 3000-3100 1650-1700 | 3275 1800 | 3275 1800 |
Contact Us
- STA Refractory (Zhengzhou) Co., Ltd.
- Contact nameAlice Wang
- Phone86-371-55180399
- AddressJinshui Zone Zhengzhou,Henan
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