Gum rosin ww grade. Softening point ring and bold min 78deg.C Impurity = max 0.05% Acid value = 160 - 190, Saponification value = 170 - 220 Iodine = 5 - 25 Ash content = +/- 0.04% Volatile oil content = +/- 2% Ash content = +/- 0.04% Zinc drum @ 240 kgs. 1 fcl 20' content 80 drums = 19.2 mton nett.
