Lava stone - KDH02010440

1.Natural lava stones, 2.1-3cm,2-4cm,4-10cm, 3.Red and black colour, 4.USD 120-220/MT, 5.50kg packing or as your requirement - details see: https://www.buildingsupplieshub.com/lava-stone-10036574

Type: Basalt	Place of Origin: Hebei China (Mainland)	Brand Name: KDH	Model Number: KDH02010440
Color: Red	Surface Finishing: Tumbled	Stone Form: Cut-To-Size	Stone Name: LAVA

1.Chemical Composition:

SiO2	CaO	MgO	Fe2O3	FeO	Al2O3	TiO2	K2O	Na2O
53.82%	8.36%	2.46%	9.08%	1.12%	16.89%	0.06%	2.30%	2.55%

2.Properties:

1.It has lots of holes, both small and big ones.

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 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.

Alibaba Certificate:

Tel: 0086 13722996216

Packaging Detail:50kg bags or according to your requirements.

Delivery Detail:About 15-20 days after confirming the order