Recommended Hull Paint Primer - Sherwin Williams Macropoxy 646 Fast Cure Mill White Finish - Sherwin Williams Sher-loxane 800 Macropoxy 646 Fast Cure Mill White Download Datasheet The mix ratio is 1:1; a two gallon kit should cover 380 sq ft @ 6 mils dry film thickness (recommended for sufficient corrosion protection).   The product has a sweat-in time of 30 minutes (wait time after mixing part a and part b together) with a pot life of 4 hours.   It can be rolled or brushed, but spray application is favorable (see recommended application info on pump, pressure, hose and tip size, and reduction).   Please apply under favorable temperature and humidity conditions. Do not mix catalyzed material with new. Surface preparation: Download Datasheet Because this is an immersion service substrate, the surface should be removed of all existing coatings to ensure proper adhesion and durability. SSPC-SP10 / NACE 2 Near-White Blast Cleaning (see attached). When viewed without magnification shall be free of all visible oil, grease, dust, dirt, mill scale, rust, coating, oxides, corrosion products and other foreign matter of at least 95% of each unit area.   Unit area shall be approximately 3 in. x 3 in. (9 sq. in.). Blast profile should be 1.5-2 mil. Sher-loxane 800 Safety Yellow Topcoat Download Datasheet The mix ration is 4:1; a one gallon kit should cover 240 sq ft/gal @ 6 mils DFT.   There is no sweat in time and the pot life is 4 hours.   It can be rolled or brushed, but spray application is favorable, to achieve recommended dry film thickness in one coat (see recommended application info on pump, pressure, hose and tip size).   Please apply under favorable temperature and humidity conditions.   Do not mix catalyzed material with new. Please consider accessory items you may need for surface prep, mixing, reducing, application and cleanup, which SW can facilitate or supply for you.