select language: 
Características
Traditional name: Vratza
Petrologic name: Limestone
Characteristic color: Beige/cream with grey veins
Place of Origin: Vratza region, Bulgaria
| Characteristics | Declared Values | Testing Method |
| Flexural Strength |
Mean Value: 10,8 Lower expected value: 8,4 Standard deviation : 1,5 |
EN 12372 |
| Slip Resistance |
SRV Dry: 61 SRV Wet: 75 |
EN 14231 |
| Frost Resistance |
10,8 MPa |
ΕΝ 12371 |
| Resistance to ageing by thermal shock |
% variation of weight 0,01 % %variation of DEM 16 % |
EN 14066 |
| Apparent density |
2,20 g/m3 |
EN 1936 |