AAT-322 FG Sheet Vinyl PSA is an acrylic based adhesive specifically formulated for installing sheet vinyl with fiberglass cores and PVC cushioned backs intended for use with pressure sensitive adhesives (PSA). AAT-322 can be used on all grade levels over concrete and approved wood sub-floors in the absence of excessive moisture emissions and alkalinity. (MVER max. 5lbs./1000 sq ft/24 hours ASTM F 1869, RH 75% ASTM F 2170, pH 5-10) AAT-322 is nonflammable, contains no carcinogens, no solvents and is non-toxic. AAT-322 has excellent plasticizer migration resistance. AAT-322 is freeze-thaw stable. This zero VOC adhesive is protected by the CleanGuard? two-stage antimicrobial. CleanGuard is a specifically formulated broad-spectrum, anti-microbial agent that protects our adhesives and sealers from microorganisms, such as mold or mildew, in both the wet and dry state