Multranol 4050 is a 360-molecular-weight amine-based tetrafunctional polyether polyol. Properties / Applications: Multranol 4050 is a 360-molecular-weight amine-based tetrafunctional polyether polyol, which is primarily used to manufacture rigid polyurethane foams. As with any product, use of Multranol 4050 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 |