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Help CenterGrey Lava Rock Stone Wholesale Price
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Grey lava rock stone wholesale price
Product Info
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
Any other inquiry, you can just call me, let's talk the details~ My skype: shelleywu3
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