It is the slight yellow transparent solid, which is made from gum rosin through esterification with glycerol and with the properties of high viscosity, excellent heat and aging stability, excellent polymer compatibility etc. It is a good tackifying resin. Specification: Color (Gardner Grade with Toluene 1:1):5max Color (Solid, Gardner): 7+ Max. Softening point (Ring & Ball), ¿¬pC: 90¿¬+2 Acid value, (mgKOH/g), Max: 10 Solubility in Toluene (1:1): Clear In paper bag, 25kgs net each
