Ester Gum A Rosin ester Arakawa Chemical Tackifier >> Rosin ester Rubber - Elastomer (Chloroprene, Butyl …) Ethylene co-terpolymers - solid (EVA, EMA...) Natural rubber (NR) ADHESIVE >> Hot-melt Rosin ester ESTER GUM A Good compatibility with natural / synthetic rubbers, EVA Hot melt adhesive, Oil varnish, Enamel,Lacquer,Printing ink,Emulsion paint Rosin ester. Used as a tackifier in hot melt adhesives. Offers good compatibility with EVA and natural and synthetic rubber.