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® PPG 2801 HUNTSMAN JEFFOL® S 490 HUNTSMAN JEFFOL® R 425 X HUNTSMAN JEFFOL® R 350 X HUNTSMAN JEFFOL® G 30 400