| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| OMC.35 | Determination of tensile strength of polypropylene thermal bases | ISO 527-1:2019 | Polymers | ||
| OMH.02 | Determination of the thermal resistance and the thermal conductivity coefficient (Guarded Hot Plate) | EN 12664:2001, ISO 8302:1991 (except Method A for granular materials) | Building materials and products of medium and low thermal resistance in the dry state | ||
| OMH.13 | Determination of hygroscopic sorption properties of building materials and products | ISO 12571:2021 | Materiais e produtos de construção | ||
| OMH.14 | Determination of water vapour transmission properties of building materials and products | ISO 12572:2016 | Materiais e proddutos de construção | ||
| PNT.00 | Natural stone and agglomerated stone characterization - Other tests (standards EN, ASTM, LNEC…) | - | Natural stone, Dimension stone | ||
| PNT.01 | Determination of resistance to ageing by thermal shock | EN 14066:2013 | Natural stone, Dimension stone | ||
| PNT.02 | Determination of frost resistance | EN 12371:2010 | Natural stone, Dimension stone | ||
| PNT.03 | Determination of the abrasion resistance | EN 14157:2017 (Method A) | Natural stone, Dimension stone | ||
| PNT.04 | Determination of apparent density and open porosity | EN 1936:2006 | Natural stone, Dimension stone | ||
| PNT.05 | Determination of water absorption at atmospheric pressure | EN 13755:2008 | Natural stone, Dimension stone | ||
| PNT.07 | Determination of flexural strength under constant moment | EN 13161:2008 | Natural stone, Dimension stone | ||
| PNT.08 | Determination of uniaxial compressive strength | EN 1926:2006 | Natural stone, Dimension stone | ||
| PNT.09 | Determination of flexural strenght under concentrated load | EN 12372:2022 | Natural stone, Dimension stone | ||
| PNT.10 | Determination of the dynamic modulus of elasticity (by measuring the fundamental resonance frequency); | EN 14146:2004 (Method 5.2) | Natural stone, Dimension stone | ||
| PNT.11 | Determination of the slip resistance by means of the pendulum tester | EN 14231:2003 | Natural stone, Dimension stone |