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Download the specifications, technical descriptions and sections, CAD files, etc. required for your projects
Technical Specifications

ATG - Technical Approval

  Reference Unit Average Standard deviation n (1) E- or E+

Density

NBN EN 1936: 2007 kg/m3 2691 6 49 2680

Porosity

NBN EN 1936: 2007 % vol 0.25 0.10 49 -

Water absorption under atmospheric pressure

NBN EN 13755: 2008 % m 0.10 0.0 7 -

Compressive strength

NBN EN 1926: 2007 MPa 158 21 133 123

Flexural strength under central load

NBN EN 12372: 2007 MPa 16.7 1.7 152 13.8

Wear resistance (method A: Capon)

NBN EN 14157: 2004 mm 20.5 0.8 15 22.9

Dynamic modules of elsticity

NBN EN 14146: 2004 GPa 78.2 2.8 26 73.1

Speed of sound //

NBN EN 14579: 2004 km/s 5.84 0.22 21 5.43

Speed of sound ┴

NBN EN 14579: 2004 km/s 5.61 0.47 21 4.76

Frost resistance indications

NBN EN 12371: 2010 cycles Nc = 168 - 34 -

Thermal expansion coefficient

NBN EN 14581: 2005 a [1/°C] 4.6 E-06 10.0 E-07 * *

Water absorption by capillarity

NBN EN 1925: 1999 Not applicable due to the low porosity of the stone

 

Certificates

ATG

The blue limestone of Carrières du Hainaut is extracted and transformed in Belgium on its unique site. Blue Limestone of Hainaut is homologated by the Belgian Union for technical approval (UBAtc) – ATG H724 – Petit granit – Pierre Bleue du Hainaut. See details of the Technical Approval in the tabel below.

DoP

The declaration of performance (CE) related to finished products commercialized by Carrières du Hainaut are also available on simple request.

Certificates of Origins

Here at Carrières du Hainaut we guarantee the provenance and absolute quality of each of our stones. With every purchase of either finished or half-finished products we provide a nominative and numbered certificate of origin of the stone with a unique code and stamp.

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