Water Based Polyurethane (Germany) 1 L Loba At Supra Water Based Polyurethane One Litre Supra Satin covers 135-155sqft of flooring in ONE coat. Environment: low VOC waterborne Ceramic-reinforced, water based, 2-component polyurethane with exceptional high scratch resistance high elasticity and excellent chemical resistance Waterborne polyurethane formula for extreme wear resistance