gongyi Clay Graphite Crucible for Metal Melting Casting Refining Gold Silver Copper Brass Aluminum

REAL Durable Silicon Carbide Graphite CruciblesSpecificationsHighest Withstand Temperature: 1800(3272F). Capacity: 390ML, can casting 3kg Copper. Outer Size: 4.1″ Diameter x 4.7″ Height. Inner Size: 3.3″ Diameter x 3.9″ Depth. Bulk Density: 1.71g/cm3 Apparent Porosity: 30% Refractory Strength: 8.55Mpa Weight: 830g CompositionC: 45% Al2O3: 26% SiC: 23% SiO2: 6% Features8 times longer life than clay crucible. Suitable for high temperature metal smelting. Fit for all the furnace such as Coke-Oven, Fuel Burner, Electric Furnace. Melting Gold, Silver, Copper, Brass, Aluminum and more. What’s in the box1x Silicon Carbide Graphite Crucibles

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