亚洲 国产 欧美一线_午夜亚州aⅴ永久无码精品色欲_亚洲毛片一区二区在线观看_无码精品护士一区二区三区_欧美三级一区三区_中文国产综合无码天堂综合_后入内射福利视频_成人午夜AV电影免费观看_麻豆视频你级毛片_亚洲aⅴ无码一级毛片

Use: This is an effective thermo-oxidative stabilizer in a wide range of solution polymerized,emulsion polymerized and thermoplastic elastomers including:BR,SBR,NBR,IR,SBS,and SIS as well as natural rubber.The antioxidant is effective both as a raw elastomer and compound stabillizer. Use of less, a good antioxidant effect .It is also effective in various adhesive and sealant applications. It belongs to the environmental protection antioxidant, has realized the rubber product by general to the environmental protection transformation.