Description
Product name:Â Decorative Black Volcanic Rock.
Item number: HMI-LR003.
Chemical composition:
| SiO2 | CaO | MgO | Fe2O3 | FeO | Al2O3 | TiO2 | K2O | Na2O |
| 53.82% | 8.36% | 2.46% | 9.08% | 1.12% | 16.89% | 0.06% | 2.30% | 2.55% |
| Volume-weight(kg/m3) | 430-870 |
| Water absorption | 11.7-17.03% |
| Loose volume-weight(kg/m3) | 520 |
| Cylinder pressure strength | 1.218Mpa |
| Moisture | 1% |
| Mechanical Intensity | 5.08Mpa |
| Heat conductivity coefficient w/(m.k) | 0.326 |
| Soften coefficient | 0.84 |
| Apparent density | Kg/m 3 640-860/(390*240*190) |
| Hollow ratio(%) | 48/(390 *240 *190) |
| Item | Lava Stone | Volcanic Stone, Basalt Stone, Lava Stone. |
| 1 | Color | Black. |
| 2 | Finish | Rough finish. |
| 3 | Usage | Indoor and outdoor decoration building material. |
| 4 | Package | Seaworthy wooden crates or according to customers requirement. |
| 5 | Payment | 30% T/T deposit,and then balance against copy of shipment or L/C at sight. |
| 6 | Price Terms | Based on FOB,CNF,CIF. |
| 7 | Advantage | 1) Over 10 years experience in natural stone business. 2) Provide acute price quotation, specification promptly. |
| 8 | Business Scope | Slabs, Tiles, Skirting, Window sills, Steps & Riser stairs, Kitchen countertops, Columns, Curbstones, Paving stones, Cubes, Mosaic & Borders, Sculptures, Tombstones and Monuments. |
| 9 | Client | France, Italy, Portugal, America, Australia, Middle East and so on. |
Note: the size and shape can be decided by customer’s design.
