BLUSH FREE Recoat within 36 hours without washing/sanding the surface After mixing Resin and Slow Hardener, you have 30 minutes to get it out of the cup and approximately 4 hours of open working time at 70 degrees F (cure schedule) Good Ultraviolet Stability Smooth Finishes Excellent Barrier Coating (For Osmotic Resistance) Cures in High Humidity Recommended for Large Surface Coatings and Laminations Post Curable Surface cures BLUSH FREE, Eliminating the need for time consuming Wash Downs Provides Fast Wet-Out of Reinforced Fabrics when blended with our Low Viscosity Resin Blendable with Fast or Medium Hardener for Customized working and curing times Mix with an appropriate MAS Resins in a 2:1 Ratio (resin:hardener) (application guide)