... manufacturer and exporter! Welcome visit our factory! The Characteristics of Quartz Stone: 1)High hardness, the Moh's hardness reaches to ... 6-7. 2)Resistant to scratch, wear, shock, rupture and compression. 3)Excellent ... materials not contain any pollution and radiation. Product name: Engineered Quartz Stone Our slab size is 2400*1200mm, the thickness is ...