欧美军警gay巨大粗长,东北老女人高潮大叫对白,小莹乳液汁水停电了还能用吗,羞羞视频

Alkoxy-terminated phenyl silicone resin intermediate, with good compatibility with organic resins, activated alkoxy groups can be combined with organic resin activated groups, so as to introduce organic silicone chain segments into the organic resin, in order to improve the high temperature resistance, weatherability, anti-corrosion and anti-fouling performance of organic resin.