Marble platform is a practical utilization of high-precision test measuring marble slab supplier, from cutting stereotypes, coarse grind to grind into fine marble slab thermostatic chamber specifications, before requiring high accuracy (000 = 1 × (1 + d / 1000 ) um, 00 级 = 2 × (1 + d / 1000) um, 0 级 = 4 × (1 + d / 1000) um, 级 1 = 8 × (1 + d / 1000) um, d is the diagonal mm) marble slab, suitable temperature (20 ± 2 ℃) marble slab promotions, accuracy is higher than cast iron platform for instrumentation, precision tools, machinery parts, precision testing. Marble flatness and flatness tolerance by gravity editing: GB4987-85 Standard: 00 = 2 × (1 + d / 1000) um 0 级 = 4 × (1 + d / 1000) um1 level = 8 × (1 + d / 1000) um (d diagonal mm) (measuring temperature is generally 21 ± 2 ℃ marble slab gravity: 2970-3070kg / m compressive strength: 245-254N / m linear expansion coefficient: 4.61 × 10-6 / ℃ water absorption: <0.13% Shore hardness:. Hs70 above Xiangyu Hardware Machinery (Figure) _ _ Putian marble slab marble slab promotional offers from Shenzhen Baoan District Songgang Xiangyu Hardware Machinery Firm Bao'an District of Shenzhen City Songgang Cheung. Yu Hardware Machinery Firm (www.xywjjxsh.com/)(www.xywjsjsh.com) adhere to the "people-oriented" business philosophy, has a professional staff, and strive to provide the best products and services to contribute to the community, and to welcome new old customers to visit us and sincere cooperation for a better future Xiangyu Hardware Machinery - your trusted friend, Company Address: Songgang Town Sha Po Industrial District, Shenzhen, Contact: Huang Yongdong can also be accessed (www .xywjsjsh.com / supply_details_28241395.html), for more information about the company.