marbles
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Black marquina
Data sheet
SPECIFIC GRAVITY 2.69 g / cm3
ABSORPTION COEFFICIENT 0.17%
COMPRESSION RESISTANCE 629 kg / cm2
Flexural strength 136 kg / cm2
RESISTANCE TO WEAR 2.90 mm.
IMPACT RESISTANCE 30 cm.
MODULE Frosting n / d THERMAL n / d
ORIGIN MARQUINA (VIZCAYA)
Guatemala green
Data sheet
Volumetric mass 2,73 g / cm³
Absorption coefficient 0.33%
Mechanical resistance to compression 2,031 kg / cm²
Mechanical resistance to bending 265 kg / cm²