| 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 |