| Product details | lava stone/volcanic stone/rock |
| Material | 100% natural basalt stone |
| Origin | Hebei |
| Stone form | Cut to size, Tile, Slab, paving stone,Kerb stone, Cube stone, Irregular shape stone |
| Color | yellow, white, rusty, black, grey |
| Finished | Polished, Honed, Flamed, Sandblasted, Antique, Water jet, Chiseled, Split, Tumble, Pineapple,Mushroom, Bush-hammered,ect. |
| Size | Customized |
| Thickness | 40~50mm,D200-D300mm,D300~D500mm,40mm or 50mm or according to your requirement |
| MOQ | no |
| Packing | 25 ,50kg/bag or ton bag |
| Delivery time | 7-15days after confirme the order |
| Port | Xingang Port |
| Payment terms | 30% deposit, 70% balance before the B/L released. |
1.Introduction of volcanic/lava stone.
Volcanic rock is a functional kind of environmental protection material.
It is a kind of precious and polyporous stone, and formed by volcanic glass ,mineral and air bubble in the process of volcanic eruption.
It contains sodium, magnesium, aluminum, silicon, calcium, titanium, manganese, iron, nickel, cobalt, molybdenum, and other dozens of minerals and trace elements.
It has no radiation .
It has far infrared magnetic wave. Natural stone
Slide-proof, acid & alkali proof
Sound absorbing and insulation
2.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% |
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) |
Packing: 25kg/Bags or 50kg/Bags or 1Ton/Bags or as Customer requirement
Delivery : After we confirm contract, we will ship products within7- 15 days.
1.Delivery time
a) For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
b)Samples prepared within 1-3 days after receive your express charges
c) Tacking number will be sent to you after delivery,also you will get every important shipping status by email.
2.MOQ&Shipping
a)one 20ft container by sea
b)Small quantity(>25kg), by air or by LCL or by Express as your requirement
3.Payment terms
a)Small quantity recommend WEST UNION
b)large quantity recommend T/T or irrevocable L/C
4.How is the charge for sample
Free sample could be sent for your evaluation and pls kindly pay the express charge.
5. Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with N&D's Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.
Can I visit you?
Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.
Our advantage
Professional manufacturer/own mine /Advanced equipment/High quality/flexible/Competitive price/Professional sales team
CONTACT (7x24 hours)