Green silicon carbide micropowder can reduce the appearance of impurity castings. The role of silicon carbide in use: it can better improve the mechanical properties of a grade, reduce the defects of cast iron in the past, reduce the rate of waste outside the work, reduce the super direction of shrinkage cavity, completely It can replace ferrosilicon, so it has better economic benefits.
The black color of silicon carbide is due to the tiny carbon particles wrapped in the crystal. When no salt is added, due to the fast evaporation rate of silica, the carbonaceous material has no time to react with it, causing a part of the silica vapor to escape and lose, but the carbonaceous material has …
The difference between garnet Natural corundum, also known as garnet, is made into abrasive materials through washing, sieving and other processes. It has strong toughness, good finish of grinding parts, few and shallow sand marks, fine and uniform grinding surface, high benefit, low cost, but extremely short service life.
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