white square pumice lava stone

Share on:


Price:RUB 8,287.17 - RUB 11,300.69
Price in USD:Details

Quantity:


Product Overview

Description

white square pumice lava stone

 

1.Chemical Composition:

 

SiO2

CaO

MgO

Fe2O3

FeO

Al2O3

TiO2

K2O

Na2O

73.32%

0.73%

0.20%

1.34%

1.12%

13.24%

0.10%

4.33%

3.58%

  

2.Properties:

1.It has lots of holes.

2.Weight is very light.

3.Perfect intensity

4.Heat preservation and thermal insulation, noice insulation.

5.Fireproofing

6.Corrosion and acid-base resisting

7.Non-pollution and no radioactivity, environment protection

 

size.jpgblack pumice light.jpgQQ20140212144948.jpgpumice stone2.JPGPumice stone1.JPG

3.Physical properties:

Volume-weight(kg/m3)

430-870

Water absorption

11.7-17.03%

Loose volume-weight(kg/m3)

520

Cylinder pressure strength

1.218Mpa

Moisture

1%

Mechanical Intensity

5.08Mpa

Heat conductivity coefficient w/(m.k)

0.326

Soften coefficient

0.84

Apparent density

Kg/m 3 640-860/(390*240*190)

Hollow ratio(%)

48/(390 *240 *190)

 

4.Usage:

Lava is used in washing clothes, 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.

 

0.0091 s.