Specifications
sand volcanic stone:1. manufactory for lave stone 2.by SGS test 3.manufactory for lave stone
Specification of sand volcanic stone:
1-3mm 2-4mm 3-6mm 4-8mm 5-10cm 7-15cm 10-20cm 20-40cm 40-50cm and so on.
Chemical Composition list of sand volcanic stone:
Chemical Composition | SiO2 | CaO | MgO | Fe2O3 | FeO | Al2O3 | TiO2 | K2O | Na2O |
Content % | 53.82 | 8.36 | 2.46 | 9.08 | 1.12 | 16.89 | 0.06 | 2.30 | 2.55 |
Physical Performance index of sand volcanic stone:
Performance index | unit | Test result |
Bulk density | Kg/m3 | 430-870 |
Water absorption | % | 11.7-17.03 |
Loose bulk density | Kg/m3 | 520 |
cylinder pressure strength | Mpa | 1.218 |
Moisture | % | 1 |
mechanical strength | Mpa | 5.08 |
thermal conductivity | w/(m.k) | 0.326 |
coefficient of softing | 0.84 | |
apparent density | Kg/m3 | 640-860/(390*240*190) |
Hollow ratio | % | 48/(390*240*190) |