| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments |
|---|---|---|---|---|---|
| PNT.03 | Determination of the abrasion resistance of natural stone | EN 14157:2017 (Method A) | Natural stone, Dimension stone | ||
| PNT.04 | Determination of apparent density and open porosity of natural stone | EN 1936:2006 | Natural stone, Dimension stone | ||
| PNT.05 | Determination of water absorption at atmospheric pressure of natural stone | EN 13755:2008 | Natural stone, Dimension stone | ||
| PNT.07 | Determination of flexural strength under constant moment of natural stone | EN 13161:2008 | Natural stone, Dimension stone | ||
| PNT.08 | Determination of uniaxial compressive strength of natural stone | EN 1926:2006 | Natural stone, Dimension stone | ||
| PNT.09 | Determination of flexural strenght under concentrated load of natural stone | EN 12372:2022 | Natural stone, Dimension stone | ||
| PNT.10 | Determination of the dynamic modulus of elasticity of natural stone (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 of natural stone | EN 14231:2003 | Natural stone, Dimension stone | ||
| PNT.12 | Determination of water absorption coefficient by capillary of natural stone | EN 1925:1999 | Natural stone, Dimension stone | ||
| PNT.14 | Determination of breaking load at dowel hole of natural stone | EN 13364:2001 | Natural stone, Dimension stone | ||
| PNT.15 | Absorption and bulk specific gravity of dimension stone | ASTM C97/C97M-18 | Natural stone, Dimension stone | ||
| PNT.16 | Compressive Strength of Dimension Stone | ASTM C170/C170M-17 | Natural stone, Dimension stone | ||
| PNT.17 | Flexural strength of dimension stone | ASTM C880/C880M-18 | Natural stone, Dimension stone | ||
| PNT.18 | Modulus of rupture of dimension stone | ASTM C99/C99M-18 | Natural stone, Dimension stone | ||
| PNT.19 | Determination of sound speed propagation of natural stone | NP EN 14579:2007 (except Annex A) | Natural stone, Dimension stone |