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> alumina ceramic 
alumina ceramic crucible ceramic crucible for dental furnace
- size::80*60*2mm
- working temp: 1700C
- density: 3.85g/cm3
- Product description: high purity alumina ceramic crucible ceramic crucible size::80*60*2mm working temp: 1700C density3.85g/cm3
PRODUCT INTRODUCTION
alumina ceramic crucible for dental furnace
1.Material: 99% alumina, corundum-mullite ceramic, zirconium oxide ceramics optional
2.Shape: we are able to supply a variety of the shape of ceramic crucibles, including cylinder, rectangular, square, boat and so on.
3. Features: all ceramic crucibles are with excellent chemical resistance, thermal - shock performance.
4. Working temperature: It can be work under max. 1650℃ long term.
5. Application: They are commonly used in a variety of metal or non-metal melting material, or melting items analysis in the lab, also it's a regular application for smelting & sintering for phosphors, rare earth material, precious metals.
Technical Parameter:
|
Material |
85 Al2o3 |
90 Al2o3 |
95 Al2o3 |
99.7 Al2o3 |
|
Al2o3 |
85% |
90% |
93% |
99.30% |
|
Fe2o3 |
≤ 1.0 |
≤ 0.5 |
≤ 0.5 |
≤ 0.3 |
|
Desnsity: g / cm3 |
3.4 |
3.5 |
3.6 |
3.85 |
|
Vickers Hardness |
≥ 8.6 |
≥ 8.8 |
9 |
9 |
|
Water Absorption:% |
≤ 0.2 |
≤ 0.1 |
≤ 0.085 |
≤ 0.01 |
|
Refractoriness:°C |
1580 °C |
1600 °C |
1650 °C |
1800°C |
|
Flexural Strength:Mpa |
180 |
200 |
240 |
280 |
|
Wear Rate( at room temperature, erosion, 100 grinding)% |
≤ 3 |
≤ 2.5 |
≤ 1 |
≤ 0.5 |
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