... to scratch and abrasion Our Quartz Stone,Natural stone is synthesized with high purity acid-washed quartz stone(93 ... , heat, corrosion and penetration etc. Quartz Stone is widely used for kitchen countertops, quartz tiles,floor, wall, bathroom,quartz ... stain, distortion4.Resistant to high temperature , no radiationThis is the quality standard of our quartz products: Specification ItemUnitStandard ...