国产国产成人精品久久,青青久操视频,亚洲婷婷综合色高清在线,女女综合网,成人免费草草视频,亚洲色图第三页,亚洲视频在线观看网址

Your Current Position:  PRODUCTS > Introduction of new products and new varieties

Technical specifications of colorless hydrogenated rosin resin

Colourless hydrogenated rosin resin is a kind of super light color polyol tackifying resin synthesized from rosin ester through catalytic hydrogenation and other technical units. It has the characteristics of ultra light color, extremely low odor, excellent heat resistance and weather resistance. It is mainly used in screen protective film, medical patch, sanitary products and other adhesives, pressure sensitive adhesive and hot melt adhesive.