HUNTSMAN POLYURETHANES › HUNTSMAN JEFFOL® G 30 650 HUNTSMAN JEFFOL® G 30 650 $0.00 HUNTSMAN JEFFOL® G-30-650 is a polyoxypropylene triol polyether polyol containing only secondary hydroxyl groups. Add To Cart Added! HUNTSMAN JEFFOL® G-30-650 is a polyoxypropylene triol polyether polyol containing only secondary hydroxyl groups. You Might Also Like HUNTSMAN JEFFOL® G 31 35 HUNTSMAN JEFFOL® SG 522 HUNTSMAN JEFFOL® SG 360 HUNTSMAN JEFFOL® A 800 HUNTSMAN JEFFOL® A 630