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® A 630 HUNTSMAN JEFFOL® A 800 HUNTSMAN JEFFOL® FX31 240 HUNTSMAN JEFFOL® S 490 HUNTSMAN JEFFOL® PPG 1000