Graphite Crucible with Lid
Taking the latest isostatic molding method and strict quality assurance inspection system, we use advanced refractory materials, high-tech formula to develop a new generation of high-strength silicon carbide crucible, this product gets a feature of large volume density, acid erosion, high temperature strength, high temperature strength and long service life is 3-5 times the clay graphite crucible.
Application
Used for various non-ferrous metal smelting, such as aluminum, gold, silver, copper, precious metal etc.
Glass smelting, or high temperaturer furnaces
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.
Fine-grain Specialty Graphite | High pure graphite | Isostaic graphite | ||
Item | Unit | Typical value | Typical value | Typical value |
Max grain size | 0.8mm | ≤325mesh | 5-22vm | |
Bulk density | g/cm3 | 1.73-1.76 | 1.68-1.85 | 1.8-1.85 |
Specific resistance | Μ Ω .m | 7.5 | ≤14 | ≤15 |
Bending strength | M pa | 11-12.5 | ≥25 | 12.5 |
Compressive strength | M pa | 27-34 | ≥50 | 34 |
Thermal Conductivity | W/(m .k) | 150-160 | ≥130 | 160 |
C.T.E.(100-600)℃ | 10-6/℃ | 2.2 | ≤2.5 | 2.1 |
Ash content | % | 0.09 | ≤0.15 | 0.09 |
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