... plastics ,such as PVC,PP 4.SGS standerd Plastic Grade Calcium stearate1.Molecular formula: Ca(OCOC17H35)22.Characters: They are white ... , strong mineral acids, they decomposed into stearic acid and corresponding calcium salts.3. Uses: They are widely used as lubricants, slipping ... from fire and no contact with corrosive matter. Plastic Grade calcium Stearate