|
Graphite Crucible is an advanced fire –resistant vessel made of crude flake graphite, Sic etc. It is used to melt Cu, Au, Zn, Pb, Au, Ag and various carbons, non-ferrous metals.
Physics Items
|
Temperature Resistance |
Apparent Porosity |
Bulk Density |
Pressure Strength |
|
1650℃ |
≤30% |
≥1.7g/cm3 |
≥8.5MPa |
Chemical Composition
|
C% |
SiC% |
A12O3% |
SiO2% |
|
20~45 |
1~40 |
2~20 |
3~38 |
Advantages
Firm resistance to high temperature and corrosion, high purity smelting, excellent thermal conductivity , long service life.
Graphite Crucible Technical Indexes:
|
Trade Mark |
Graphite Content
% |
Silicon Carbide Content
% |
Porosity
% |
Temperature Resistance
゜C |
|
Industrial Mineral |
48 |
-- |
25 |
1450 |
|
Golden Bell |
25 |
25 |
25 |
1600 | |
