DESMODUR ULTRA E 3370 is an aliphatic polyisocyanate prepolymer based on hexamethylene diisocyanate. It provides excellent weatherability and durability in moisture-curing one-component coating systems. DESMODUR ULTRA E 3370 offers good resistance to solvents, abrasion and chemicals making it suitable for demanding exterior applications. As a hardener in coating materials, it helps formulate durable, colorfast coatings with long-lasting performance even under harsh environmental conditions. The product maintains its properties for an extended period and ensures coating systems have reliable protection.