Property: Flake and granula form solid of light yellow C9 Petroleum Resin is made by C9 fraction, by-product of ethylene, through thermo ... alkali, and good adhesive strength and lower heat conduction, etc.C9 Petroleum Resin is mainly used in Paint,Ink,Coat,Rubber ... life:One year in ventilating,cool and dry area. low C9 Petroleum Resins