Marble platform Physical properties: gravity: 2970-3070kg / m compressive strength: 245-254N / m㎡ linear expansion coefficient: 4.61 × 10-6 / ℃ Water absorption: <0.13% Shore hardness: Hs70 more. Marble platform manufacturing and acceptance criteria: Flat Rock manufactured according to national standard GB / T20428-2006 marble slab promotions, press JJG117-2013 acceptance criteria. Our factory is a manufacturer of high-quality marble platform, marble slab, marble platform sales throughout the country, authentic Jinan Green materials are used for raw materials, grinding process from multi-channel, high-precision products marble slab pictures, structure and stability. Marble platform flatness up to 1.5 microns. All are welcome to visit our users. Marble platform marble platform based on the formation of the quality of underground rock layers, after millions of years of natural aging marble slab factory sales, form extremely stable, do not worry because the conventional temperature and deformation. The rigorous physical testing and selection of granite materials, fine crystalline, hard, compressive strength of 2290-3750 kg / cm, hardness of Ta Mok's hardness 6-7. Extremely resistant to abrasion, acid, alkali, high corrosion resistance, never rust. Department of non-metallic materials due to marble, no magnetic response, no plastic deformation. Its hardness 2-3 times higher than cast iron (equivalent to HRC> 51), and therefore to maintain good accuracy. Even rock tools in use by heavy bump, up out of fresh ballast only, and not as metal tools, as a result of deformation and destruction of accuracy. The superior quality cast iron and steel production base parts precision measurement, to obtain high and stable accuracy. Marble slab pictures, prices stone marble slab, Xiangyu metal machinery provided by Shenzhen Baoan District Songgang Xiangyu Hardware Machinery Firm. Shenzhen Baoan District Songgang Xiangyu Hardware Machinery Firm (www.xywjjxsh.com/)(www.xywjsjsh.com) strong, credible, in Shenzhen, Guangdong inventory equipment and industrial supplies industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xiangyu Hardware Machinery and you hand into the brilliant, for a better future!