Black - Marble
Quarry Location: Vila Viçosa (Conceição)
Water Absorption: 0.1 %
Density: 2703 kg/cm3
Flexural Strength: 256 kg/cm2
Compressive Strength: 863- 977 kg/cm2
Recommended Usage: kitchen and bathroom countertops, stairs, building stone, ornamental stone, interior, exterior wall and floor applications, mosaic, waterjet pattern
Finishing Surface: Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Additional Names: Spider Black
PHYSICAL-MECHANICAL CHARACTERISTICS
Compressive strength ( Kg/cm²) 863
Compressive strength after ice ( kg/cm² ) 977
Resistance to bending ( kg/cm²) 256
Apparent volumetric mass (kg/cm²) 2703
Water absorption PTN 0.10%
Open porosity 0.28 %
Coefficient of linear expansion ( 106/ºC) 14.8
Amsler Wear (mm) 2.0
Shock resistance ( cm) 55
CHEMICAL ANALYSIS
SiO2 0,36%
Al2O3 0,69
Fe2O3 total 0.11%
MnO vest.
CaO 53.89%
MgO 0.99%
Na2O 0.04%
K2O 0.06%
TiO2 0.00P.R. 43.37
CO2 43.37