Graphite Crucibles
Crucibles for copper melting is bowl ceramic with deep bottom, they are made of different content of silicon carbide particles added into the graphite crucible, such as a silicon carbide content of 50%, 24%, etc by fundamental of isostatic compaction technology.
It is new generation of silicon carbide graphite crucible adopted high-grade refractory material and formula. According to application, there are special silicon carbide crucibles for melting copper,aluminum,zinc oxide, zinc, and tin.
Application
Used for various non-ferrous metal smelting, such as aluminum, gold, silver, copper, precious metal etc.
Glass smelting
Advantages
1. Anti-oxidation treatment to maximize service life.
2. Produced with special process. High bulk density and low porosity resist erosion of molten aluminum and its gas particles.
3. High purity, low ash content graphite material prevents volatile substances, avoids spots, holes on aluminum coated film.
4. Graphite crucible treated by special coating process, resists oxidation and maximizes service lifespan
5. Exact machining of graphite crucibles. Polished mirror surface and exact sizes.
Standard parameter | Test data | ||
refractoriness≥ | 1650℃ | refractoriness≥ | 1665℃ |
carbon content≥ | 30~45% | carbon content≥ | 30~45% |
apparent porosity | 10~14% | apparent porosity | 10~14% |
bulk density≥ | 1.9~2.1g/cm? | bulk density≥ | 1.9~2.1g/cm? |
Sic≥ | 45% | Sic≥ | 48% |
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