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Tests on natural stone

GEOS laboratories offers a full range of tests on natural stone.

Please do not hesitate to contact our staff members if you need additional information or a tailor-made offer on any of the tests listed here.

Natural Stone

DescriptionNormBELAC
Acid resistance of natural stoneMETHOD GEOS
Resistance to ageing by SO2 actionEN 13919B
Basic resistance of natural stoneMETHOD GEOS
Abrasion resistance (Capon)EN 14157 §3B
Chemical analysisPTV 819-5 – version 1.0 (2019)B
Classification of natural stonePTV 819-4 – version 1.0 (2019)
Determination of uniaxial compressive strengthASTM D7012
EN 1926B
Continuity indexNF P 18-556
Apparent density and open porosityEN 1936B
Breaking load at dowel hole (type IIa)EN 13364
Determination of flexural strength sampleEN 12372B
Determination of frost resistance (identication)EN 12371B
Visual analysis of presence of limestoneMETHOD GEOS
Petrographic examination of natural stoneEN 12407B
Determination of porosityNF P 94-410-3
Slip resistanceEN 14231B
Tensile splitting strengthASTM D3967
Ageing by thermal shockEN 14066B
Waterabsorption by capillarityEN 1925B
Waterabsorption at atmospheric pressureEN 13755B
en_GBEnglish (UK)
nl_BENederlands (België) en_GBEnglish (UK)
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Covid-19 : service communication

We are happy to inform you that as of May 11th our laboratories are open in a more regular manner! To safeguard your and our health we maintain sanitary regulations to avoid the risk of spread (no handshake and keeping distance).

Therefore we only arrange individual appointments for the time being. So please, feel welcome but don’t forget to bring your personal mask !

Phone: +32 12 67 09 09 or e-mail.