Italian Nero Black Portoro Marble Slabs

​Model NO.:Italian Black Nero Portoro marble Surface Finishing:Polished Color:Black

Product Details

Model NO.:Italian Black Nero Portoro marble 
Surface Finishing:Polished
Color:Black 
Application:Floor, Wall 
Size: 240up x 140up cm 
Density:2.72g/cm³ 
Thickness:18mm 
Technics:Natural Marble Slab 
Quality:High Polished 
Trademark:Kao Shi Stone 
Origin: Italy 

Product Description 

Italian Nero Black Portoro Marble Slabs

Usage: indoor & outdoor walls, floors,  decoration, etc
Finshing: polished, honed, flamed, antique,  etc
Popular Size 
Tile Size
1) 305 x 305 x 10mm or 12" x 12" x 3/8"
2) 400 x 400 x 12mm or 16" x 16" x 1/2"
3) 457 x 457 x 12mm or 18" x 18" x 1/2"
4) 600 x 600 x 20mm or 24" x 24" x 3/4"
5) Cut-to-size or any other customized sizes
Slab Size of Nero Black Portoro Marble
2) Big Slab: 250up x 150up x 2/3cm


Quality Standard
1) Polished degree: 90 or up
2) Thickness tolerance: -2/+1mm, checked one by one by QC during packing
3) Diagonal tolerance : +/-1mm
4) Surface flatness tolerance: +/-0.3mm
5) Adjacent edge verticality tolerance: +/-0.5mm, Precise Cutting by infrared-ray-cut machine  
Our products:
(1)Sculpture statues gravestone fireplace. 
(2)Granite and travertine tiles slabs floor wall project. 
(3)Vanity top countertop tabletop and desk sinks washbasin. 
(4)Step Railing Stone Border (line) Colum, Arc panel. 
(5)Garden landscape fountain mosaic pattern,. 
(6)All kinds of stone products . 
Please let us know immediately if you are interested in our products Nero Black Portoro Marble. We will send you our price list and sample to you as soon as we receive your specific inquiry. We would like to quote any prices for you.

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