Dynapol S 1420 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. Amorphous copolyester good solubility in many solvents Dynapol S 1420 Permanently tacky Provides adhesion to copper, alu, steel, polyester films, and PVC. Permanently tacky, high molecular weight, amorphous, thermoplastic copolyester. Used as a raw material for hot melt industrial adhesives. Offers low water uptake. Provides good solubility in many solvents and adhesion to copper, alu, steel, polyester films, and PVC.