TECHNICAL CHARACTER OF MATTE PORCELAIN TILE Description Test Standard ISO Norm CIMIC Norm Water Absorption ISO 10545-3 ≤0.5 ≤0.07 Length ISO 10545-2 ± 0.6 ± 0.1 Width ISO 10545-2 ± 0.6 ± 0.1 Thickness ISO 10545-2 ± 5 ± 3.5 Surface Curvature ISO 10545-2 ± 0.5 ± 0.3 Straightness of Sides ISO 10545-2 ± 0.5 ± 0.1 Rectangularity ISO 10545-2 ± 0.6 ± 0.1 Bending Strength ISO 10545-4 ≥ 1300N > 1800N Bending Strength ISO 10545-4 ≥ 35 MPa > 38 Mpa Resistance to Deep Abrasion ISO 10545-6 ≤ 175 mm 3 < 140 mm 3 Thermal Shock Resistance ISO 10545-9 Approved Approved Chemical Resistance ISO 10545-13 Approved UA Frost Resistance ISO 10545-12 Passing 100 times of forst resistance test without crack Passing 110 times of forst resistance test without crack Coefficient of Linear Thermal Expansion ISO 10545-8 Approved Approved