97在线观看永久免费视频,国产AV无码专区亚洲AV中文,玩弄丰满少妇人妻视频,国产人妖视频一区二区

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.