Concrete Countertop Sealer XS-PC12. High Gloss, Countertop Clear Food Safe Sealer Concrete Countertop Sealer XS-PC12 Concrete solvent based sealers are specially formulated hybrid solvent based coating designed for application over completed concrete sealer surfaces (concrete countertops, cement based terrazzo, GFRC). Concrete solvent based sealers provdes a low-VOC, penetrating film forming, color enhancing, high gloss, wear surface. Although suitable for residential applications, creates commercial grade abrasion resistance for he concrete countertops, fireplace surrounds, shower panels, floor tiles, wall panels, based surfaces, driveways, garage floors, patios, walkways, pool decks, stucco, and concrete block.etc PACKAGING XS-PC12 "A" - short filled quart can XS-PC12 "B" - short filled 1?2 pint can . MIXING RATIO 3 parts A to 1 part B. COVERAGE Approximately 100 sq.