gum rosin specification
GRADE: WW
COLOUR: pale yellow
APPEARANCE: transparent
SOFTENING POINT (ball & ring) :76°C min
ACID VALUE (mgKOH/g): 166
UNSAPONIFIABLE MATERIAL: 5% MAX
ALCOHOL INSOLUBLE MATERIAL: 0.03% MAX
ASH:0.02% MAX
PACKING: In galvanized iron drums of 225kgs net each.