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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.
Our highly experienced team are on hand to offer the necessary advice and guidance, you will get support and help of stone inquiry.
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Hangmao Stone’s main products are slabs, tiles, mosaics, medallions, paving stones, countertops, fireplaces, tombstones, sculptures, etc.,
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