Bayhydur BL 5335 is a hydrophilized, blocked aliphatic polyisocyanate based on Desmodur® W. It is suitable in combination with Bayhydrol® grade OH-functional polymers for the formulation of lightfast, single-component polyurethane baking coatings. Properties / Applications: Bayhydur BL 5335 is a blocked polyisocyanate and was developed for industrial use. It is used as a hardener for the formulation of lightfast one-component polyurethane baking coatings suitable for spray, dip or roller application. The product is preferably used in glass coating applications. As with any product, use of Bayhydur BL 5335 in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro |