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| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| 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 | ||
| PNT.12 | Determination of water absorption coefficient by capillary | EN 1925:1999 | Natural stone, Dimension stone | ||
| PNT.14 | Determination of breaking load at dowel hole | EN 13364:2001 | Natural stone, Dimension stone | ||
| PNT.15 | Absorption and bulk specific gravity of dimension stone | ASTM C97/C97M-25 | Natural stone, Dimension stone | ||
| PNT.16 | Compressive strength of dimension stone | ASTM C170/C170M-24a | Natural stone, Dimension stone | ||
| PNT.17 | Flexural strength of dimension stone | ASTM C880/C880M-25 | Natural stone, Dimension stone | ||
| PNT.18 | Modulus of rupture of dimension stone | ASTM C99/C99M-25 | Natural stone, Dimension stone | ||
| PNT.19 | Determination of sound speed propagation | EN 14579:2004 (except Annex A) | Natural stone, Dimension stone | ||
| PNT.20 | Determination of rupture energy | EN 14158:2004 | Natural stone, Dimension stone | ||
| PNT.21 | Abrasion resistance | ASTM C1353/C1353M-20e1 | Natural stone and dimension stone subjected to foot traffic | ||
| PNT.22 | Determination of the slip resistance by means of the British pendulum tester | ASTM E303 - 22 | Natural stone; Dimension stone; Pavement | ||
| PNT.23 | Determination of resistance to fixing (dowel hole) of agglomerated stone | EN 14617-8:2007* | Agglomerated stone | The normative document indicated with * is void, and its tecnical validity is not in question. |