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High Quality 99 al2o3 Alumina Heat-resistant Ceramic Refractory Crucible
Specifications
Alumina Refractory Heat-resistant Ceramic Crucible -A variety of specifications available -High chemical etching resistance
Feature
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
6. Specifications of crucibles 5ml,10ml,15m,l20ml,25ml,30ml,50ml,100ml,150ml,200ml- 1500ml and custom-tailor.
Industrial alumina ceramic crucible is used for testing laboratory and a variety of industrial analysis. Alumina ceramic crucible include: arc alumina crucible, square alumina crucible, rectangle alumina ceramic crucible, column ceramic crucible and a variety of shaped alumina ceramic crucible.
We can supply 99.5% alumina ceramic crucible and zirocnia ceramic crucible according to customer's drawings, samples and performance requirement.
| Performance For Alumina Ceramic | ||||
| Item | Unit | 95 Al2O3 | 99 Al2O3 | |
| Physical Characteristics | Bulk density | g/cm3 | 3.6 | 3.9 |
| Water absorption | % | 0 | 0 | |
| Mechanical Characteristics | Flexural strength | Mpa | 320 | 360 |
| Hardness Vickers | Gpa | 12.2 | 15.6 | |
| Elastic modulus | Gpa | 280 | 370 | |
| Poisson’s ratio | - | 0.22 | 0.23 | |
| Thermal Characteristics | Linear expansion coefficient | (200C-5000C) 10-6/0C | 7.1 | 8 |
| Thermal conductivity | w/(m.k) | 16 | 32 | |
| Specific Heat | *10-3J/(kg*K) | 0.78 | 0.9 | |
| Electrical Characteristics | Dielectric constant (1MHZ) | - | 9 | 9.9 |
| Dielectric loss angle | *10-4 | 15 | 1 | |
| Dielectric strength | *106V/m | 12 | 15 | |
High Quality 99 al2o3 Alumina Heat-resistant Ceramic Refractory Crucible