Specification of volcanic lava rock:
size: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 volcanic lava rock:
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 volcanic lava rock:
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) |
3.Application area
- Contruction
- Aquarium
- Grinding
- Barbecue
- Filter Medium
- Water Conservancy
- Garden Landscaping
- Soilless culture
- Ornamental products
- Stone treatment. It can help to eliminate the toxin of human body and promote metabolis
Shijiazhuang ShengPing Minerals
Known for manufacturing and exporting a wide range of best quality Kaolin & bentonite, Shengping minerals was set up in the year 2002 at Shijiazhuang city of Hebei province.
The product range offered by us comprises comprehensive, salt lamps, negative ion powder, tourmaline powder, far infared ceramic ball, calcium carbonate, mica and vermiculite.
Address : Xizhuang Village, Nanyanchuan Township, Lingshou County, Shijiazhuang,Hebei, China
Post Code : 050000
Tel : +86-0311-68003825