Chinese Black Lava Rock Stone

About the product
Chinese black lava rock stone manufacturer supplies Chinese black lava rock stone, rough finish, custom size, for indoor and outdoor decorative material.

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%
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)
Item Lava Stone Volcanic Stone, Basalt Stone, Lava Stone.
1 Color Black.
2 Finish Rough finish.
3 Usage Indoor and outdoor decoration building material.
4 Package Seaworthy wooden crates or according to customers requirement.
5 Payment 30% T/T deposit,and then balance against copy of shipment or L/C at sight.
6 Price Terms Based on FOB,CNF,CIF.
7 Advantage 1) Over 10 years experience in natural stone business.
2) Provide acute price quotation, specification promptly.
8 Business Scope Slabs, Tiles, Skirting, Window sills, Steps & Riser stairs, Kitchen countertops, Columns, Curbstones, Paving stones, Cubes, Mosaic & Borders, Sculptures, Tombstones and Monuments.
9 Client France, Italy, Portugal, America, Australia, Middle East and so on.
Note: the size and shape can be decided by customer's design.
Price
Negotiable
Contact with supplier
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