Features and Benefits: Mix 2:1 with HIT.8420-5Slow DryFor use in spray conditions of 80-95 degrees 50 state compliantHIT.8423-25 is a slow activator for HIT.8420-5. This activator when used with HIT.8420-5 is compliant in all states. Easy to use, great results, all at an economical price. Recommend to be used in 85-95 degree spray environments.