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Products >> Water Filtration Media
Lava stone filtration media

Volcanic stone / pumice stone / lava stone for sale

Lava rock is a functional kind of environmental protection material.It is a kind of precious and polyporous stone, and formed by volcanic glass ,mineral and air bubble in the process of volcanic eruption. It contains sodium, magnesium, aluminum, silicon, calcium, titanium, manganese, iron, nickel, cobalt, molybdenum, and other dozens of minerals and trace elements.

Features of lava rock
1. No radiation , no toxic, totally natural.
2. It has far infrared magnetic wave, benefit to human health.
3. Slide-proof, acid & alkali proof.
4. Sound absorbing and heat insulation


Specification
Color
Black and red
Size
3-5mm/5-10mm/10-20mm/20-30mm/30-50mm etc
Density
2.32g/cm3
Thermal conductivity
0.08507W/m.K
Water absorption
11.7% after 1 hour

Application case of lava rock

Filtration media
Contruction/Barbecue/Garden Landscaping/ Filter Medium/Soilless culture etc

 

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