Industrial anhydrous sodium sulfate are
classified into three types according to it use:
Type I: Mainly used for synthesis of detergent and
vinylon.
Type II: Mainly used in industries such as dye, glass and
paper.
Type III: As industrial raw material for inorganic
salts.
1.Appearance: the grade A products of both type
I and type II should be white crystalline granules with no
aggregation and no mechanical impurities.
2.Industrial anhydrous sodium sulfate should meet the
following requirements: