1.Description of lava rock( Pumice stone/ Lava stone/Volcanic ):

Volcanic stone (commonly known as pumice or porous basalt) is a functional environmentally friendly material, is the volcanic

eruption by the volcanic glass, minerals and bubbles formed very precious porous stone.

2.Features of volcanic stone ( Pumice stone/ Lava stone):

(1)Porous ,light weight, high strength.

(2)Containing sodium, magnesium, aluminum, silicon, calcium, titanium,
manganese, iron, nickel, cobalt, molybdenum etc

(3)Far infrared magnetic wave.

(4)Thermal insulation, heat preservation, sound absorption.

(5)Fireproofing, acid and alkali resistance, corrosion resistance.

(6)No pollution ,no radiation.

3.Chemical composition of volcanic stone ( Pumice stone/ Lava stone ) :

4.Use of lava rock (Pumice stone/ Lava stone/Volcanic ):