high temperature Corundum Refractory Ceramic Crucible for Melting
USD $1 - $15 /Piece
Min.Order:10 Pieces
Chongqing Haichen Instrument Co., Ltd.
high temperature Corundum Refractory Ceramic Crucible for Melting
High AluminFeatures 1.High purity: Al2O3≥99%, high chemical etching resistance; 2.Temperature tolerance, at 1600°C for long term application, and at 1800°C for short term application; 3.Resistant to sudden cold and hot, un-explosive; 4.High density of slip casting, high purity alumina crucible 5.Specifications of crucibles: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml- 2500ml. Ceramic Crucible Properties | |||
| Unit | 95% | 99% |
Density | g/cm3 | 3.6 | 3.8 |
Water absorption | % | <0.4 |
|
Firing temperature | °C | 1600 |
|
Hardness | HRA | 70 |
|
Coefficient of linear expansion | *10-6/°C | 5.5 | <0.2 |
Dielectric constant |
| 9 | 1800 |
Volume resistivity | Ω·cm | — | 80 |
Breakdown voltage | KV/mm | 14 | 5.3 |
Breaking strength | Mpa | 250 | 10.5 |
Regular size of alumina crucible from our factory:
Regular size +- mm | |||
Capacity (ml) | Top dia (mm) | Bottom dia (mm) | Height(mm) |
3ml | 20mm | 16mm | 17mm |
4ml | 25mm | 19mm | 18mm |
5ml | 26mm | 18mm | 21mm |
10ml | 30mm | 20mm | 28mm |
15ml | 35mm | 21mm | 30mm |
20ml | 38mm | 24mm | 35mm |
25ml | 40mm | 25mm | 35mm |
30ml | 45mm | 27mm | 39mm |
40ml | 47mm | 28mm | 43mm |
50ml | 50mm | 30mm | 48mm |
100ml | 61mm | 31mm | 60mm |
150ml | 73mm | 43mm | 67mm |
200ml | 82mm | 43mm | 70mm |
300ml | 88mm | 53mm | 85mm |
500ml | 108mm | 62mm | 108mm |
800ml | 113mm | 62mm | 140mm |