The Effect of Raw Materials and Production Conditions
2012-5-23 · The raw materials are silica sand, soda, calcite, dolomite (raw material of calcium carbonate and magnesium carbonate), and feldspars (raw materials in the form of fine sand). Aluminium trihydrate, sodium sulphate, chromite, coal, etc. are used as auxiliary raw materials which are used as dyes and clarifiers of the melt [3]. ...