... granular form,low odor,light color, modified gum rosin pentaerythritol esters. Pentaerythritol Ester of Gum Rosin Description: This series are granular form ... ,low odor,light color, modified gum rosin pentaerythritol esters.They are very good tackifying resins which ... -polyproplyene composite bags of 25kgs net each. pentaerythritol ester of gum rosin BL-100