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Lava rock/volcanic rock 
Lava rock/volcanic rock 
Lava rock/volcanic rock 
Lava rock/volcanic rock 
Lava rock/volcanic rock -
Lava rock/volcanic rock
- Standard: ISO9001
- Brand : MC
Volcanic rock (volcanic rock or pumice) is a kind of glassy lava with dense pores formed by the rapid overflow and expansion of internal gas due to the rapid reduction of pressure after the rapid cooling of magma during volcanic eruption. The pore volume accounts for more than 50% of the rock volume. Due to many pores and light weight. It is characterized by high strength, heat preservation, heat insulation, sound absorption, fire prevention, acid and alkali resistance, corrosion resistance, no pollution, no radioactivity, etc.
Volcanic rock (volcanic rock or pumice) is a kind of glassy lava with dense pores formed by the rapid overflow and expansion of internal gas due to the rapid reduction of pressure after the rapid cooling of magma during volcanic eruption. The pore volume accounts for more than 50% of the rock volume. Due to many pores and light weight. It is characterized by high strength, heat preservation, heat insulation, sound absorption, fire prevention, acid and alkali resistance, corrosion resistance, no pollution, no radioactivity, etc.
Type: Lava Rock stone/ Lava Rock powder
Material: Natural Volcano Stone
Shape: LAVA with hole; No pointed particle shape, small resistance to water flow, not easily blocked, uniform distribution of water and air, rough surface
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