... (PVC), nylon (PA), polyester, phenolic / epoxy and other polymer products; phthalic anhydride, maleic anhydride, refined naphthalene, ... calcium chloride dihydrate , sulfur, phosphorus pentasulfide and other inorganic chemical products.Drum dryer can be used for sulfur ... sodium sulfate, sulfonate, alkali metal carbonate, sodium and other minerals benzoin solution, and starch, dairy products, instant ...