Mobile Refinish Clear Coat High Gloss Super Fast Clearcoat Gallon Kit SMR-105/60, 4:1 mix ratio SMR-105, Speedo N.R. clearcoat utilizes new resin technology which allows for an extremely fast cure while maintaining an ultra high gloss. SMR-105 is easy to apply and can be BUFFED in 45 MINUTES, yielding a DOI equal to an overnight dry clear. This sale is for a gallon of SMR-105 clear coat and a quart of SMR-60 fast speed (50-65°F) activator; which yields 5 quarts sprayable. Note: Apply 2-3 coats of SMR-105 all at once without a flash in-between coats until the desired gloss level.