人人澡人人插,中出在线播放,天天干成人网,欧洲一级毛片,国产精品久久久久久久免费大片,九色国产在视频线精品视频,国产一区二区网站

Your Current Position:  PRODUCTS > Resin series > Glycerol Ester > Glycerol Ester of Rosin (LightColor)

Glycerol Ester of Gum Rosin (Light-colored)

Glycerol ester of gum rosin are made from refined gum rosin through esterification with glycerol; Used in pressure sensitive adhesives,hot melt adhesives products.