We are offering Cast Basalt Tiles is one of the earth's oldest and most natural materials. The Basaltic Rockslag is combined with crystallizing agents to form the various shapes needed for lining plant equipment. Furthermore, as basalt wears it improves it's own coefficient of friction giving a smooth, non stick finish, as the material passing over the basalt gradually gives it a high polish. Specifications: Weight: 90 kgsq.mSpecific Gravity: 2.9 to 3.0Compressive strength: 78, 000 Ibin2Tensile strength: 5100 Ibin2Width back: 110mmWidth front: 100mm.