1. Aromatic polyurethane resins 2. Semi-aliphatic polyurethane resins 3. Pure aliphatic polyurethane resins 4. OH-reactive Resins SINTOPOL® DP 266/42%E.A. SINTOPOL® DP 477/55% E.A.+EtOH SINTOPOL® DP 180/30%E.A.