Determination of dimensions and surface quality
Standard ISO 10545-2.
Measurements within the specified tolerances.
Surface quality of the tiles > del 95% free of visible defects.
Compliant.

Determination of water absorption
Standard ISO 10545-3.
Mean 1,77% (Group A1 < 3%).
Maximum 2,18% (Group A1 < 3,3%).

Determination of modulus of rupture and breaking strenght
Standard ISO 10545-4.
Mean 28 N/mm² (mean > 20 N/mm²)
Mean 27,2 N/mm² ( Minimum > 18 N/mm²)

Determination of resistance to surface abrasion (Mohs Scale)
EN 101 UNE 67 101.
9 (Group A1 > 6).

Determination of resistance to deep abrasion
Standard ISO 10545-6.
Volum of lost material 144,32 m³.
(Group A1 < 300m³)

Determination of linear thermal expansion
Standard ISO 10545-8.
6,9x 10 -6/ºC (Between 5x 10 -6/ºC and 13 x 10 -6/ºC ).

Determination of resistance to thermal shock
Standard ISO 10545-9.
Withstands the test.

Determination of frost resistance
Standard ISO 10545-12.
Withstands the test, no damage appreciated in the pieces tested.

Determination of impact resistance
Standard BSI-1281 equivalent to Standard ISO 10545-5.
Withstands the test, no damage appreciated in the pieces tested.

Chemical properties
Determination of chemical resistance

Standard ISO 10545-13.

a) Resistance to household cleaning products. No visible effect. Class UA.

b) Resistance to additives for swimming pool water, excluding detergents containing hydroflouric acid and its compounds. No visible effect. Class UA.

c) Resistance to acids and alkalis, excludinghydrofluoric acid and its compoinds.

-Low concentrations, no visible effect. Class ULA.
-high concentrations, no visible effect. Class UHA.

Slip resistance tests

Double or separable extruded ceramic tiles (Spaltplatten) with low water absorption (E 3%), group A1. European Comittee for Standardisation "CEN".