1.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% |
2. Physical properties
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) |
3.Usage
Lava is used in construction,irrigation works, grinding, filter material, barbecue charcoal, garden scene, soilless culture, etc. It is also a perfect material used in hot stone therapy, which is good to Promote the body's metabolism
Competitive price (we are factory) + good service + free samples + timely delivery.
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
Web Site : www.sp-minerals.com