... Wide used in project 100% natural stone roofing slate(factory dircety sale) Material:100% natural marble, granite, sandstone, travertine ... MPa)BENDING STRENGTH:58(MPa)HARDNESS:158STONE:100% NATURAL STONE Stone Formculture stone,Blocks,Slabs(Cut to sizes ... , Tiles, Skirtings, Window sills, Steps & Riser stairs, Paving stones, Cubes, Mosaic & Borders, Sculptures and MonumentsThickness10mm, 20mm, 30mm, ...