1) High hardness, Super wear resistant Quartz slab surface can be at 7 Mohs hardness, it is higher than the common natural marble. Usually tools are unable to scratch and abrasion. This feature can be well used for shopping malls, airports, office buildings, stations and other places. 2) High density, Stain resistance. Our quartz slab is pressed by 600ton machine, which make ensure the density of the slab at the highest grade, 2340kg/m3. Then dirts and colored liquid substances ( such as tea, coffee, soy sauce, etc) cann't go through the surface, water cleaning can make it bright as the new one. 3) No radiation, No harm After 4 hours baking, almost 95% chemical reaction were finished, so there is no radiation, it is no harm to humen body.