日韩一卡在线,91久久精品美女高潮,天天干天天操,免费看日韩毛片,日韩av黄,97精品在线播放,国产香蕉av

Your Current Position:  PRODUCTS > Liquid Resin > Diglycerol Ester of Rosin

Diglycerol Ester of Rosin

The products are made from Rosin through esterification with Diglycerol ； Used in adhesives, solder flux, surface active agent, and coatings, etc.