... Power, Slurry, Liquid)Crystal ShieldScope of ApplicationGranite, marble, ceramic tiles (excl. polished tiles), timberGranite, marble, sand stone (cautious for black stone ... )Granite, marble, sand stone, microcrystal stone, ceramic tiles, polished tiles and glass etc.Film FormationForm a layer of low ... black, which permeates on the stone, forms iron rust or yellow spot, leads to stone bleaching.It’s ...