... heat-stabilizers 3 machinery engineering, rubber etcMagnesium stearate (industrial grade)1.Molecular formula:C36H70 Mg ... , they decomposed into stearic acid and corresponding magnesium salts.They are widely used as lubricants, ... heat-stabilizers, mould releasing agents and accelerants in plastic, machinery engineering, rubber, paints and inks industry ... contact with corrosive matter. magnesium stearate