... de-waxing agent dissolves stone, mica and metal ionsSteel wire will be heated black, which permeates on the stone, ... solution; and the acidic ingredient may react with steel wire, generate poisonous gas, which severely affects people’s health ... fatal if swallowed. The fllowing photos are the effective for your reference. polishing detergent for marble,terrazzo,concrete,manmade-marble(Green Shield)