Polyurethane Paints are also known as PU Paints it’s formed by crosslinking of Acrylic resin, Polyols, Polyethers cured by isocyanate either Aliphatic or Aromatic. Polyurethane Paint cured with Aliphatic isocyanate gives excellent Color and Gloss retention in exterior environment can be applied on variety of surfaces like metal, wood, fiber etc. Polyurethane paint cured with Aromatic isocyanate gives excellent chemical & corrosion resistance and abrasion resistance but not recommended for exterior applications.