Qortstone Engineered Quartz surfaces are sophisticated products that offer a combination of both form and function. Combined with high purity acid, washed Quartz crystals (93%), and high quality Polymer material (7%) that ensures its hard and compact structure. Highly resistant to abrasion, scratching, heat, and stains, this revolutionary and ideal design allows for a more diverse, durable and practical solution for kitchen and bathroom countertops.