Sand and Buff in 20 minutes UV Resistant for excellent weathering Easy 4:1 mix ratio Apply SMR-110 all at once by glossing up the basecoat Great for mobile refinish Speedo National Rule voc Ultra Fast Clear Gallon Kit, 4:1 mix ratio SMR-110, Speedo N.R. clearcoat utilizes new resin technology which allows for an extremely fast cure while maintaining an ultra high gloss. SMR-110 is easy to apply and can be BUFFED in 20 MINUTES, yielding a DOI equal to an overnight dry clear. This sale is for a gallon of clear with a quart of medium speed (55-75°F) activator; which yields 5 quarts sprayable.