Cumar R-12 coumarone-indene resin Neville Tackifier >> Coumarone indene SEALANT ADHESIVE >> Hot-melt ADHESIVE >> Hot-melt >> Pressure sensitive (HMPSA) CUMAR® resins exhibit excellent resistance to alkalis, dilute acids, and moisture. High-melting, high viscosity grades are available. These resins are suggested for use in adhesives and rubber compounds. CUMAR R-12 Resin is a petroleum hydrocarbon resin which is chemically inert and nonsaponifiable. This resin exhibits low reactivity characteristics, possesses a high degree of resistance to alkalis, dilute acids and moisture and is soluble in aromatic and aliphatic solvents. This resin is suggested for use in adhesives and rubber compounds. Inert and nonsaponifiable petroleum hydrocarbon resin. Can be used in adhesives. Exibits low reactivity characteristics, possesses a high degree of resistance to alkalis, dilute acids and moisture and is soluble in aromatic and aliphatic solvents.