PPG Polyurethane Prepolymer for Castbale Elastomer Packaging:20kg/drum Delivery time: prompt within one week after confirm PPG polyurthane prepolymer for castable elastomer PPG Polyurethane PrepolymerApplicationIt applies to make rods, rubble wheel, rolls, sealing ring, screen plate and other polyurethanewares.CharacteristicsThe wares have good abrasive resistance, water resistance, fungus ...