Gum rosin
Specs:natural bright yellow color
Ww garade
Acid index(mg koh/g) : 170 180
Ash content: 0.02% max
Liquefied degree: 70%c. Min
Undissolved moisture
Soap index: 156
Goods is covered in zinc tanks
Net weight: 230 kg/ tank. 80 100 tanks per container.Under shipping marks : gum rosin of viet nam.
