Sperry Plast Limited supplies Polyurethane Solvent based Bi-component Adhesive. Sperry Plast Limited is an ISO 9001: 2000 accredited company. The Polyurethane Solvent based Bi-component Adhesive is mainly used for sea-slippers in PU or PVC to leather, fabric or synthetic uppers. The Bi-component Adhesive is suitable for lasting of uppers to insoles.