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Sr. No. Characteristics Wall Tiles IS 13753/EN-159B III Group B III Value
1 Deviations in Length & Width ± 0.20 % ± 0.10 %
2 Deviations in Thickness ± 4.00 % ± 4.00 %
3 Straightness of Side ± 0.15 % ± 0.10 %
4 Rectengularity ± 0.15 % ± 0.10 %
5 Surface Flatness – Center Curvature ± 0.22 % ± 0.10 %
Surface Flatness – Edge Curvature ± 0.22 % ± 0.10 %
Surface Flatness – Warp Edge ± 0.22 % ± 0.15 %
6 Surface Quality Min 95% of Tiles should be free from visible defects. Min 95% of Tiles
7 Water Absorption > 10 % 14 to 17 %
8 Modulus of Rupture > 150 Kg/Cm² > 150 Kg/Cm²
9 Scratch Hardness Min 3 Moh’s Min 3 Moh’s
10 Crazing Resistance 4 Cycle Pass 4 Cycle Pass
11 Staining Resistance Min Class 2 Resistance
12 Household Chemicals Min Class B & Resistance
13 Scratch Resistance Min 3 Min 3

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