Red Lava Stone Scoria Rock
China Red Lava Stone
Lava rock is a functional kind of environmental protection material.
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Jidian Red Lava StoneChemical composition |
Physical Properties |
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Element |
Content % |
Volume-weight(kg/m3) |
430-870 |
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SiO2 |
Water absorption |
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CaO |
Loose volume-weight(kg/m3) |
520 |
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MgO |
Cylinder pressure strength |
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Fe2O3 |
Moisture |
1% |
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FeO |
Mechanical Intensity |
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Al2O3 |
Heat conductivity coefficient w/(m.k) |
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TiO3 |
Soften coefficient |
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K2O |
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Na2O |
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Biochemical stability:
- volcanic rockbiofilter is corrosion-resistant, inert, and does not participate in biochemical reaction of biofilm in the environment.
- The influence on the activity of biofilm: as the carrier of biofilm, volcanic rock biofilter is harmless and has no inhibitory effect on the fixed microorganism.
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Color |
Red / Black / Dark |
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Size |
1-3mm; 3-5mm; 5-7mm; 7-10mm; 5-10mm; 1-2cm; 2-4cm; 3-5cm; 5-10cm; 10-15cm; 15-20cm, 20-30cm |
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Appearance |
Stone, Particle, Powder. |
We are .
Packaging: 25 / 50kg per bag or ton bag or customized package.
MOQ: A 20 feet container.
Lead time: Shipped in 10-20 days after receiving the advanced payment.Sample lead time: 3 days
We can offer you the sample freely, you just need to pay the freight.
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