久久久久久久久久97,久久人人精,2018中文字幕在线视频,欧洲亚洲免费视频,日韩电影一二三区,国产欧美欧洲,不卡的av在线

Your Current Position:  PRODUCTS > Modified rosin series > Hydrogenated Rosin

Hydrogenated Rosin

This product uses gum rosin as raw material, under certain pressure and temperature, through hydrogenation making the resin acid part saturated with hydrogen to produce hydrogenated rosin mainly in the form of dihydroabietic acid, then refined by distillation.
Mainly used as raw material for the manufacture of adhesives, coatings, inks, solder flux for electronic industries, food grade ester gum, etc.