Specification Item C5 C9 Copolymer C9 Petroleum Resin C5 Petroleum Resin Appearance Light yellow to dark brown flakes/granular Light yellow to dark brown flakes/granular Light yellow to dark brown flakes/granular Color Series(Fe. Co) 6#----18# 6#----18# 6#----18# Soften Point 80-140 80-140 80-160 Acid Value,mg KOH/g 1.0 1.0 1.0 Ash Content % 0.1 0.1 0.1 Iodine Value G1/100 40-100 40-100 --- Application Petroleum Resin is primarily used in the coating industrial,Such as the petroleum resin emulsion is applied as strengthened and synthesized coating paint,tint petroleum resin is applied to improve luster and adhesion force in producing oil varnish,The resin with low soften points used as plasticizer of rubber ,and the one with high soften points used to improve the hardness of rubber,also used as the melting coat of paper to product corrugated paper.The resin us mixed with paraffin chloride and surface activator into construction coating,also widely applied in printing ink,Varnish,mucilage glue,raw material of oil field assistant etc.