... stearic aicd 2.Use for pvc stabilizer, 3.Metal stearate,plastic, 4. rubber,comestic 5.Support SGS inspectio Stearic Acid Specification ... additive, widely used in rubber, plastics, cosmetics,pharmaceuticals, chemical auxiliary agent industries etc.1.2 Stearic acid, also called octadecanoic acid ... important ,but the quality is also important.. stearic acid for plastic and rubber