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 > 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.