pumice stone

.Packing:50kg/1ton bags, 2.Colour:gray white, 3.Size:0-2000mesh, 4.USD140-250/MT, 5.delivery time: 7 days - details see: https://www.buildingsupplieshub.com/pumice-stone-10036966

Type: Other Natural Stone

Place of Origin: China (Mainland)

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

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/(390240190)
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.

Packaging Detail:Packing:50kg/1ton bags

Delivery Detail:7 days from order confirm