high density gold melting crucible with graphite material
graphite crucible is used for gold, silver and other jewelry casting and recasting.Raw material characteristics: high
purity, high density, good thermal resistance, ablation resistance, erosion resistance, oxidation resistance and thermal shock resistance.
- Technical Index
Type |
MSL80 |
MSS80 |
MSL85 |
MSS85 |
Grain Size (μm) |
25 |
25 |
25 |
25 |
Bulk Density (≥g/cm3) |
1.82 |
1.82 |
1.85 |
1.85 |
Compressive Strength (≥MPa) |
60 |
60 |
70 |
70 |
Flexural Strength(≥MPa) |
30 |
30 |
35 |
35 |
Porosity(≤%) |
21 |
21 |
18 |
18 |
Specific Resistance(≤μΩm) |
12 |
12 |
12 |
12 |
Ash Content(≤%) |
0.08 |
0.08 |
0.08 |
0.08 |
Shore Hardness |
48 |
48 |
50 |
50 |
- The ash content can be purified to 30ppm according to the requirement.
- The above index data is the standard value, not the guaranteed value.
high density gold melting crucible with graphite material