综合久久一,成人中文字幕av,国产三级小视频在线观看,国产免费一级大片,噜噜噜久久亚洲精品国产品91,福利在线观看一区,日韩一级完整毛片

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.