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Vratza Limestone

Limestone is a widespread sedimentary carbonate rock. It is widely used in construction as building material or ornamental stone. Thanks to his unique characteristics, this stone is wide applied for interior and exterior works, art and sculpture.
The Vratza limestone is well known and often used from architects worldwide for projects, for facades, architectural details, flooring, stairs, wall claddings etc.
The material is relatively homogenous, resistant and looks very nice alone or in combination with other materials such as wood, glass or metal.

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Product Description

eu Standard Test Result
EN 12407 Petrographic examination Dolomite
EN 1936 Apparent density
Open porosity
2,250Kg/m3
16.4% volume
EN 13755 Water absorption at atm pressure 5.1% weight
EN 14157 Abrasion resistance 19,683mm3
EN 13364 Breaking load at dowel hole 1,850N
EN 12372 Flexural strength 18.8MPa
EN 14066 Frost resistance
Decrease of Rf after 12cycles
Decrease of Rf after 48 cycles
2.13%
0.5%
EN 14231 Slip / Skid resistance polished
SRVdry
SRVwet
Slip / Skid resistance honed
SRVdry
SRVwet
61
2267
17
Test results are related with tested samples only and may be used as guidance of the material’s properties.
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