Chinese natural stone polished black basalt

1) Surface Finished

Polished, honed, flamed, chiselled, bushhammered, sandblasted, antique, water-jet, etc.

2) products

 wall stone cladding, blindstone, tiles, flooring, stairs, window-sills, countertops, pavers, steps, kerbs, cubes, small slabs etc. Big slabs are not available

 3) technical details

 Flexual Strength: Mean Value 21.9 Mpa,

Lower expected value: 16.9 Mpa

Slip resistance: SRV(dry): 89, SRV(wet): 84 (saw surface)

Apparent density: Mean value: 2768 kg/m3

Abrasion resistance: Mean value of groove length: 14.0mm

Water absorption at atmospheric pressure: 1.0% based on weight, 2.8% based on volume

Frost Resistance: Mean flexual strength after 48 cycles: 18.9 Mpa, -13.7%

Lower expected value after 48 cycles: 15.0 Mpa -11%

 4) dimension 

  Interior Floor and Wall Basalt Tiles:

305 x 305 x 12mm, 305 x 610 x 12mm, 30 x 60 x 2cm, 60 x 60 x 2cm or cut-to-size according to the project

Exterior Paver:

10 x 10 x 3cm, 10 x 10 x 10cm, 9 x 9 x 9cm, 40 x 60 x 5cm, 40 x 60 x 8cm or cut-to-size according to the project

 Coping (L shape in one piece)

500 × 230 × 20mm, with rebate thickness 70mm         600 × 300 × 20mm, with rebate thickness 50mm

800 × 400 × 20mm, with rebate thickness 50mm         1000 × 500 × 20mm, with rebate thickness 50mm

800 × 400 × 20mm, with rebate thickness 70mm          600×300 × 20mm, with rebate thickness 60 mm