Green silicon carbide is produced basically in the same way of black silicon carbide except the different requirement of raw materials. Its crystallization has higher purity and hardness. Green silico…
Black silicon carbide is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke as its main raw materials. Its hardness is between fused alumina and sy…
Features:
1)Pressing buttons with suitable cutting provide convenient operation.
2)Elastic soft plastic material provides the best protection.
3)The putting of game card cartridge can be unaffected…
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