Dynapol S 320 Thermoplastic copolyester Degussa Polyester ADHESIVE >> Hot-melt Dynapol High molecular weight thermoplastic copolyester. Used as a raw material for hot melt industrial adhesives. Offers low water uptake. Moderately crystalline copolyester moderate open times good adhesive strength still good heat resistance Dynapol S 320 Provides adhesion to copper, alu, steel, polyester films, textiles, leather, paper and cardboard. High molecular weight, moderately crystalline, thermoplastic copolyester. Used as a raw material for hot melt industrial adhesives. Offers low water uptake. Provides moderate open time, good adhesive strength, still good heat resistance and adhesion to copper, alu, steel, polyester films, textiles, leather, paper and cardboard.