VRATSA

MINERALOGICAL COMP (%W):
CALCITE 90,00
QUARTZ 3,80

CHEMICAL ANALYSIS (%):
CaO      Fe2O3     MgO    SiO2
48,00     0,26        0,40    17,00

PHYSICAL MECHANICAL PROPERTIES
APPARENT SPECIFIC DENSITY (ASTMC-97) –> 2331
WATER ABSORPTION % wt (ASTM C-97) –> 3,78
COMPRESSIVE STRENGTH, MPa (ASTM C-170) –> 843
MODULUS OF RUPTURE UNDER FLEXURE(FLEXURAL STRENGTH) – WET CONDITION, MPa (ASTM C-99) –> 137
ABRASION RESISTANCE, mm (DIN 52108 – 20 CYCLES) –> 10,60