DR-421W Urethane Reducer

DR421W is a premium automotive urethane reducer formulated for faster evaporation in cooler conditions or when quicker flash times are needed. It is designed to thin automotive paints and primers while helping achieve a smooth even finish.

This reducer includes stabilizers to support uniform metallic and pearl distribution and is compatible with all major automotive paint brands. DR421W is well suited for professional refinishing projects requiring faster drying performance.

• DR-421W : 5℃ - 20℃ / Fast