Great Planes Pro CA Ulta-Thick Glue Glue, 1 oz. Ultra thick gel is perfect for reinforcing joints. Easy to squeeze bottles aid in applying just the right amount of glue-for easier sanding and less mess. Wicks quickly for instant bonds on tight-fitting parts, tacking and CA hinges. Fills Large gaps, sets in 3-4 minutes Not safe for foam. For foam applications use epoxy or foam-safe CA.