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Test Item Norme ISO Required by standard EN 14411 INCOMA Central Lab
Water Absorption (%) ISO 10545-3 3% < E < 6% 4.5%
Dimensions ISO 10545-2 Length and Width ± 0.6% max
Thickness ± 5% max
Straightness of sides ± 0.5%
Rectangularity ± 0.6% max
± 0.3%
± 0.3%
± 0.2%
± 0.4%
Surface Flatness ISO 10545-2 Center Curvature ± 0.5%
Edge Curvature ± 0.5%
Warpage ± 0.5%
± 0.3%
± 0.2%
± 0.2%
Surface Quality ISO 10545-2 95% min. No Defect 97%
Modulus of Rupture ISO 10545-4 ≥ 22 min / 20 > 36
Thermal Shock Resistance ISO 10545-9 Observed and noted the visible defects Resistance
Resistance to Chemicals ISO 10545-13 Min Class B Class A
Resistance to Staining ISO 10545-14 Class 3 min Class 4
Hardness of Surface (scratch) EN 101 Min 5 for glazed tiles 6.5
Glazed tiles surface resistance to Abrasion ISO 10545-15 According to the abrasion class indicated by manufacturer III / Glossy
IV / Matt
Frost Resistance ISO 10545-12 Required ( 100 cycle of frost ) Resistance
Test Item Norme ISO Required by standard EN 14411 INCOMA Central Lab
Water Absorption (%) ISO 10545-3 10% < E < 20% 18%
Dimensions ISO 10545-2 Length and Width ±2.5% max
Thickness ±10% max
Straightness of sides ±0.3%
Rectangularity ±0.3% max
Surface Flatness:
Center Curvature +0.8 / -0.2
Edge Curvature +0.8 / -0.2
Warpage +0.75 mm for size > 250 cm2
±0.16%
±3%
±0.1%
±0.1%+0.4% / -0.2%
+0.2% / -0.1%
±0.18%
Surface Quality ISO 10545-2 95% min. No Defect OK
Breaking Strength in N ISO 10545-4 ≥ 700 N ≥ 771 N
Modulus of Rupture (N/mm2) ISO 10545-4 ≥ 15N / mm2 ≥ 18.74N
Moisture Expansion ISO 10545-10 Available Pass
Crazing Resistance ISO 10545-11 Available Pass
Thermal Shock Resistance ISO 10545-9 Available Pass
Resistance to Chemicals ISO 10545-13 Available Class A
Resistance to Staining ISO 10545-14 Class 3 min Class 5
Hardness of Surface (scratch) EN 101 SCALE 5.5