... Cu, Mg, Co and Cr ions in the marble from acid decomposition. With the action of thermal force ... Slurry, Liquid)Crystal ShieldScope of ApplicationGranite, marble, ceramic tiles (excl. polished tiles), timberGranite, marble, sand stone (cautious for black stone ... photos are the effective for your reference. floor maintainer polishing detergent for marble,terrazzo,concrete,manmade-marble(Green Shield)