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Amarelo Negrais

Amarelo Negrais

Product catalog summary
General Information
Material Type: Marble
Country of Origin: Portugal
Other Names: Not specified
Petrographic Description: Not available
Macroscopic Description: Not available
Physical-Mechanical Properties
Compression Breaking Load: 1440 Kg/cm2
Compression Breaking Load after Freezing Test: 1120 Kg/cm2
Bending Strength: 142 Kg/cm2
Volumetric Weight: 2674 Kg/m3
Water Absorption: 0.4%
Apparent Porosity: 1.2%
Thermal Linear Expansion Coefficient: 4.4 x 10-6 per ºC
Abrasion Test: 2.8 mm
Impact Test: 50 cm
Freeze-Defreeze Cycles (no alteration after): 96 cycles
Microscopic Properties
Calcite: ~94%
Dolomite: ~6%
Chemical Analysis
Al2O3: 0.25%
CaO: 53.02%
Fe2O3: 0.37%
K2O: 0.02%
MgO: 1.29%
Na2O: 0.07%
P.R.: 43.22%
SiO2: 1.59%
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Catalog excerpts

Amarelo Negrais-1

dimpomar ROCHAS PORTUGUESAS, LDA. AMARELO NEGRAIS(yellow marble) GENERAL INFO Material Type: Marble Country of Origin: PORTUGAL Other Names: Petrografic Description: N/A Macroscopic Description: N/A PHISICAL-MECHANICAL PROPERTIES Compression Breaking Load: Compression B.L. after Freezing Test: Bending Strength: Volumetric Weigth: Water Absorption: Apparent Porosity: Thermal Linear Expansion Coefficient: Abrasion Test: Impact Test: Freeze-Defreeze cycles (no alteration after): MICROSCOPIC PROPERTIES Calcite: ~ 94 % Dolomite: ~ 6 % CHEMICAL ANALYSIS

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