VRATSA

Vratza Marble (limestone) is a natural stone from Bulgaria featuring soft beige to cream tones, uniformly textured with subtle veins, fossil details, or tonal variations. It offers timeless elegance and excellent durability for both interior and exterior applications.

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