1. There are basically no pores on the surface of the superior graphite crucible. Such a crucible can be used to be more resistant to oxidation.

2. Graphite crucibles of the same size, in which the weight is relatively heavier is the best.

2. Graphitization degree of graphite crucible. Slide off the surface of the graphite crucible with some metal items such as keys. What is softer and luster is a good graphite crucible.

CM Carbon Co Ltd is the leading Chinese Graphite Producer,  welcome your inquiry of our Graphite Materials,  Graphite Machining Parts,  Graphite Products,  Graphite Felts and CFC

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