久久99国产精品一区二区,欧美日韩另类在线,婷婷四月开心色房播播网,收集最新中文国产中文字幕,亚洲综合激情六月婷婷在线观看,欧美一级淫片

Glycerol Ester of Disproportionated Rosin

PRODUCTS > Resin series > Glycerol Ester of Disproportionated Rosin

Glycerol Ester of Disproportionated Rosin

Disproportionated rosin glyceride is prepared by esterification of disproportionated rosin with glycerin; They are used in pressure sensitive adhesive and coating industry respectively.