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Irish Natural Stone
Irish Natural Stone European and Irish Contact Details Bouleevin Boston
Tubber Co. Clare
IRELAND
+353(91)633071
info@irishnaturalstone.com
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Irish Natural Stone
Irish Natural Stone North American Contact Details 6 Windmill Lane
Mount Sinai
New York 11766
+1(888) 414-4283
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PHYSICAL PROPERTIES OF IRISH BLUE LIMESTONE

 

The Irish Blue Limestone is a natural material and the physical properties reflect the conditions under which the stone originally formed and the subsequent geological history of Ireland.  The best pedigree for the stone is its successful use as a building material in Ireland during the last 3000 years and the fact that many of the older structures are still standing.
Modern man, however, normally seeks to confirm the suitability of the stone by using a range of tests to quantify what are considered to be the important physical parameters of the material.
The Irish Blue Limestone has been tested by a wide range of laboratories in a number of countries during the last 10 years and the producers have drawn on these results to produce a general guide to the physical properties of the stone.

TEST UNITS MINIMUM TYPICAL MAXIMUM
Apparent Density Kg/m3 2.68 2.69        2.70
Porosity %Vol 0.15 0.31 0.51
Frost Resistance     No Effect  
Capillarity Coefficient GC -5.55 -6.8

-8.43

Thermal Expansion mm/mk   0.01  
Thermal Conductivity W/mK   2.5-3.1  
Compressive Strength N/mm2  

110-126

 
Flexural Strength N/mm2 13.3 14.7 15.8
Ultrasonic Velocity m/s 5180 5416 5785
Scratch Test mm   0.3  
Wear Resistance mm/1000m   3.5-4.2  
Modulus of Elasticity N/mm2 740000 751000 760000
Water Absorption %Dry Mass 0.12 0.14 0.20
Sulphate Attack Minimal due to compact grain structure
Sound Insulation

Dependent on homogeneous mass, large blocks of Irish Blue Limestone
                                                Offer good sound attenuation.

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