Volcanic stone sizes are made according to customers' requirement. The product is made from natral lava mine, price is very very low.
1.It has lots of holes.
2.Weight is very light.
4.Heat preservation and thermal insulation, noice insulation.
6.Corrosion and acid-base resisting
7.Non-pollution and no radioactivity, environment protection
Cylinder pressure strength
Heat conductivity coefficient w/(m.k)
Kg/m 3 640-860/(390*240*190)
48/(390 *240 *190)
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.
Tel: 86 13722996216