Acme FC720, Ultimate Overall Clear Coat Acyrlic Urethane Clearcoat; Easy to mix, easier to spray. ; 4 to 1 mix ratio; Can be used in air dry booth or heat cured; Excellent dry ability with only 8 hours dry time; Clear hardener only sold separately; Acme FC720, Ultimate Overall Clear Coat is a high gloss clearcoat formulated for spraying large jobs or small jobs alike. It can be used over basecoat or any fully cured and sanded single stage urethane enamel paint finish. Select hardener rate above: FH611 - Fast Hardener 55 - 75 Degrees F; FH612 - Medium Hardener 70 - 90 Degrees F; FH613 - Slow Hardener 95 Plus Degree F; Seller Note: For that ultra high gloss; apply 2 coats of FC720 Ultimate Overall Clear Coat allow to cure overnight. then sand with 10 Grit 00 and apply 2 more coats of FC720 Ultimate Clear Coat.