五月丁香激情爱爱激情久久,国产欧美在线视频播放,五月激情综合丁香色婷婷,免费看黄色网站日韩,亚洲v天堂v国产v无码片,在线观看精品无码小视频,天天爽夜夜爽人人爽,qc

Hydrogenated Rosin

PRODUCTS > Hydrogenated Rosin > 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.