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Negro Fino

GENERAL CHARACTERISTICS :

The SMOOTH BLACK is a rock of dark gray color to black, fine grain, compact and of regular fracture with great coloration uniformity.
LOCALIZATION: In the province of Badajoz, municipal term of Barcarrota.
The development fronts of quarries are of medium length , with irregular alterations, of those which can be extracted large dimensions blocks.

PHYSICO-MECHANICAL CHARACTERISTICAS

Volumetric weight 2,92 gr/cm3 Absorption coefficient 0,15 % Compression strength 1.750 kg/cm2 Flexure strength 456 kg/cm2 Friction wear resistance 0,92 mm. Impact strength 57 cm. Freezing test coefficient 0,05 %

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