Corundum refractory castable is a refractory material widely used in the market at present, which is compounded with high-quality refractory corundum as aggregate and powder, and a variety of super-fine and high-efficiency additives, in which AL2O3 conten
Advantages of graphite electrode With the increasing complexity of die geometry and the diversification of product application, the discharge accuracy of spark machine is required to be higher and higher. The advantages of graphite electrode are easy to p
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