Clay Graphite Crucible
Clay Graphite Crucible has good thermal conductivity and high temperature resistance. In the process of high temperature use, a small coefficient of thermal expansion has a certain resistance to strain and a strong corrosion resistance to acid and alkaline solutions, and has a large amount of chemical stability.
Application
Graphite melting gold crucible is used in the jewelry casting industry, mainly for melting gold and melting silver casting.
Features
1.Thermal stability: graphite crucible is designed for rapid thermal quench conditions to ensure product quality and reliability.
2.Erosion-resistance: even and dense matrix design, delaying the degree of erosion of graphite crucible.
3.Impact resistance: Graphite crucible can withstand high thermal shock strength, so any treatment process can be assured.
4.Acid resistance: adding special materials to significantly improve the quality of crucible to have excellence in acid indicators and greatly extend the life of graphite crucible.
5.High heat conductivity: high fixed carbon content ensures good thermal conductivity, shorten dissolution time, and significantly reduces the amount of fuel or other energy.
6.Metal Pollution control: strict control of material composition, ensuring the dissolution of metal graphite crucible with no pollution.
7.Quality stability: the production process technology and quality assurance system of high-pressure molding fully guarantee the stability of quality.
Max grain size | Bulk Density | Specific resistance(Μ Ω .m) | Compressive Strength(≥MPA) | Thermal Conductivity(W/(m .k)) | Ash content(%) | |
Fine-grain Specialty Graphite | 0.8mm | 1.73-1.76 | 7.5 | 27-34 | 150-160 | 0.09 |
High pure graphite | ≤325mesh | 1.68-1.85 | ≤14 | ≥50 | ≥130 | ≤0.15 |
Isostaic graphite | 5-22vm | 1.8-1.85 | ≤15 | 34 | 160 | 0.09 |
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