... 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 ... and bookbindings,hot melt paints,BL-117 is special suitable for wooden hot melt adhesives. Packaging: In kraft-polyproplyene ...