... 225kgs net of each, Gum Rosin ww grade, resin Used in paper, ink, rubber, paints and varnish, various adhesives, glue, soap, ... resinate for further use7) In the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin ... , ink, rubber, paints and varnish, various adhesives, glue, soap, synthetic resins, chewing gum and other chemical industries WW Grade Gum Rosin