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Welcome to the Stone Expertise client area. This space brings together two dedicated areas: the exclusive Stone Expertise portfolio and the project management area. In the latter, clients can access technical documentation, drawings, images, material specifications, reports and other content related to their projects. The exclusive portfolio features a selection of projects and references developed by Stone Expertise.
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Characteristics
Grey Ary is a predominantly light-grey granite, characterised by dark-grey crystals and subtle black speckles. Quarried in the Viseu region, in north-central Portugal, it is valued for its uniform appearance, strength, durability and low porosity.

Applications
Grey Ary is suitable for a wide range of interior and exterior applications, including flooring, ventilated façades, kitchen countertops and other architectural elements.

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Grey Ary
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Physical-Mechanical Characteristics
Apparent density 2616 Kg/m³ EN 1936:2008
Open porosity 0,7 % EN 1936:2008
Water absorption at atmospheric pressure 0,3 % EN 13755:2008
Flexural strength 14 MPa EN 12372:2008
Reaction to fire A1 EN 13501-1:2018
Abrasion resistance (Capon) 19,5 mm EN 14157:2017
Slip resistance - Dry conditions 40 SRV EN 14231:2006
Slip resistance - Wet conditions 37 SRV EN 14231:2006
Determination of Compressive Strength 152 Mpa EN 1926:2008
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