... in new Iron Drums of 225kgs net of each, Gum Rosin ww grade, resin Used in paper, ink, rubber, paints and ... various adhesives, glue, soap, synthetic resins.Features:1) China original gum rosin WW grade2) Natural organic compound, mainly composed of resins3) Possesses chemical ... and varnish, various adhesives, glue, soap, synthetic resins, chewing gum and other chemical industries WW Grade Gum Rosin