ProQuartz quartz products comprise 93% natural quartz, which is hard, strong and resistant to scratch, shock and compression. The remaining 7% is made up of pigments and resins. This mix results in a product that is non-porous, exceedingly durable, and more than twice as strong as granite. Moreover, ProQuartz is attractive, maintenance-free and resistant to heat, staining and acid damage. ProQuartz is the ideal material for wall cladding, floors, countertops and other surfaces.