Master Bond Supreme 10HTF-1 combines very fast curing and simple handling properties with a superior performance profile. It has a smooth paste consistency and is easy to apply. Supreme 10HTF-1 is a true one part system; it is not premixed and frozen and has an unlimited working life at room temperature. It is rapid curing: 5-10 minutes at 300°F or 15-20 minutes at 250°F. It should be noted that post curing at 250-300°F for 1-2 hours will help optimize the properties.