高清无码在线成人|国产欧美在线不卡|久草视频免费看看|欧美亚洲丝袜在线|九九美女在线精品|亚洲深喉在线观看|五月婷婷综合精品|丁香欧美综合在线|国产精品直播av|亚洲综合丝袜婷婷

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.