Lupranol VP 9289 Trifunctional polyether polyol BASF-Elastogran PU - Polyols >> Polyether Lupranol VP 9289 is a trifunctional polyether polyol with mainly secondary hydroxyl end groups. This polyol contains an antioxidant which is free from BHT (di-t-butyl-hydroxy-toluene). Lupranol VP 9289 is used for the production of prepolymers, especially for MDI block foams. Trifunctional polyether polyol mainly secondary hydroxyl end groups. Contains antioxidant which is free from BHT (di-t-butyl-hydroxy-toluene). Used for the production of prepolymers.