日韩精品久久久毛片一区二区,国产第一福利精品导航,亚洲欧美日韩国产色另类,99久久综合狠狠综合久久aⅴ,色www永久高清,欧美精品一区二区三区中文字幕 ,国产精品亚洲第一区广西莫菁,国产青青草视频,极品美女久久久久久久久久久,国产在线欧美日韩一区二区

Liquid silicone rubber, also known as two-component addition-type liquid silicone rubber, is based on vinyl polymer and can be cured at both high temperatures and room temperature. Compared to high consistency silicone rubber, it has better fluidity, faster curing speed, and excellent transparency. It is suitable for various molding methods such as injection, pouring, and coating.