High Purity Alumina Crucible
Chemical Composition(%) | Al2O3 | >99.6 |
SiO2 | <0.1 | |
Fe2O3 | <0.05 | |
R2O | <0.1 |
Standard size:
Capacity (ml) | Specification (mm) |
5 | Dia20x25x2 |
10 | Dia29x33x2.5 |
20 | Dia34x38x2.5 |
30 | Dia38x44x2.5 |
40 | Dia42x45x2.5 |
50 | Dia45x48x2.5 |
60 | Dia47x47x2.5 |
70 | Dia50x55x2.5 |
80 | Dia50x56x2.5 |
100 | Dia52x60x2.5 |
120 | Dia45x120x2.5 |
130 | Dia57x66x2.5 |
150 | Dia50x100x2.5 |
170 | Dia50x120x2.5 |
250 | Dia65x80x3 |
280 | Dia65x105x3 |
300 | Dia85x60x3 |
320 | Dia70x100x3 |
400 | Dia90x90x4 |
450 | Dia80x115x3.5 |
600 | Dia85x130x3.5 |
750 | Dia91x140x3.5 |
800 | Dia95x135x4 |
900 | Dia95x160x5 |
950 | Dia100x150x4 |
1200 | Dia100x150x4 |
1250 | Dia100x200x5 |
2000 | Dia120x260x5 |
2500 | Dia155x150x5mm |
Other size can be produced according to customer’ s requirement.
Note: Alumina products are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate between 150 oC~300 oC/hour is recommended for the first 1-1.5hours, so that the alumina products can be evenly heated to reduce the impact of thermal shock.