Permanent casting graphite mold for jewerlyand metal
It is used for gold, silver and other jewelry casting and recasting.
It is used for gold, silver and other jewelry casting and recasting.
- Well thermal stability : according to the using conditions of graphite crucible snap heat and cold;
- Well corrosion resistance, impact resistance performance, to ensure the reliability of product quality;
- Well resistance to strong acid, strong alkali;
- Good heat transfer performance of graphite crucible: for greatly shorten the melting time and save energy;
- In high-temperature using process, it got small thermal expansion coefficient;
- 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
permanent casting graphite mold for jewerlyand metal