These products are made from fefined rosin and glycerin through superior thechnology with propertied of light color and good transparency. Different types canmeet different customers requirements. Specifications are as follows. Rosin Glycerol Ester 136# Softening point(C) 85Min Acid value(mgKOH/g) 25Max Color(APHA) 5Max Rosin Glycerol Ester 138# Softening point(C) 88MIn Acid value(mgKOH/g) 25Max Color(APHA) 7Max Rosin Glycerol Ester140# Softening point(C) 95Min Acid value(mgKOH/g) 25Max Color(APHA) 4Max Rosin Glycerol Ester 142# Softening point(C) 103 Min Acid value(mgKOH/g) 25Max Color(APHA) 4Max