Small graphite crucible works best with a quartz jacket because graphite oxidizes. High pure graphite crucible is good or bad with its material and density. Good graphite crucible doesn't oxidizes easily, so that the production loss is low. Bad graphite oxidation is not uniform and will eat the material, resulting in high loss. Graphite crucible oxidation is easy to thin and even rupture through the use of pure graphite crucible covered with quartz crucible jacket, which can provide protection.

ADVANTAGES OF QUARTZ GRAPHITE CRUCIBLE

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With good thermal conductivity and high temperature resistance, it is widely used in metallurgy, casting, machinery, chemical industry, glass and other industrial sectors, especially in the metal smelting industry, mainly used in the cylindrical graphite crucible for melting metal.