Nisorpa 6 KG Silicon Graphite Crucibles | Crucible Copper Casting Cup | Black Cup Furnace Torch Melting



-This durable foundry silicon carbide graphite crucible is made of 45% carbon, 23% silicon, 26% alumina and 6% silicon dioxide, with a stable chemical properties. -The silicon graphite crucible fit for all the furnaces such as coke-oven, fuel burner, electric furnace and can withstand a high temperature up to 1800℃(3272°F). -The service life of this kind of silicon graphite crucible is about 3-8 times life longer than the foundry clay crucible. -Graphite carbonized crucible are ware parts and will need to be replaced after prolonged use. And placing the crucible in a dry environment after use will prolong the service life of the crucible.

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