Natural black lava rock

FOB Price

US$ 85 - 120 / Ton

24 Tons(Min. Order)

Port Yingkou Port
Payment TermsT/T

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Product Details

Place of Origin	Fujian, China	Brand Name	VASCO
Model Number	VAL009	Application	cooking,construction
Shape	round	Dimensions	5mm~500mm
Chemical Composition	SiO2

Product Description

Specifications

Natural black lava rock
1.Small holes to big holes
2.Black,grey and red colour
3.0-500mm
4.USD100-200/Tons

Natural black lava rock

Specification:

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. 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)

3.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

Contact Us

Xiamen Vangurd Stone Co., Ltd.: Address, Xiamen, Fujian

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Natural black lava rock

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