Diethyl malonate blocked, aliphatic polyisocyanate based on HDI / IPDI. In combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings; as an additive in conventional stoving coating systems to improve the reactivity, flexibility and adhesion. Properties / Applications; Desmodur® BL 3475 BA/SN is combined with polyols to formulate reactive, light-fast and weather-stable one-pack polyurethane stoving coatings. The main applications are in high-grade industrial finishes (can-/coil-coatings, etc.) and in primer surfacers for automotive OEM. Desmodur® BL 3475 BA/SN can also be used as an additive in conventional stoving systems to improve the reactivity, flexibility and adhesion. Information provided by Covestro |