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natural volcanic stone volcanic stone for sale Red lava rock lava stone
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.Properties:
a.It has lots of holes.
b.Weight is very light.
c.Perfect intensity
d.Heat preservation and thermal insulation, noice insulation.
e.Fireproofing
f.Corrosion and acid-base resisting
g.Non-pollution and no radioactivity, environment protection
h.Different specifications.
3.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) |
4.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.
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
