| 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 % |
| - Edge Curvature |
± 0.22 % |
± 0.10 % |
| - Warp Edge |
± 0.22 % |
± 0.15 % |
| 6. Surface Quality |
Min 95% of Tiles should be free from visible defects. |
Min 95% of Tiles |
| 1. Water Absorption |
> 10 % |
14 to 17 % |
| 2. Modulus of Rupture |
> 150 Kg/Cm2 |
> 150 Kg/Cm2 |
| 3. Scratch Hardness |
Min 3 Moh's |
Min 3 Moh's |
| 4. Crazing Resistance |
4 Cycle Pass |
4 Cycle Pass |
| 1. Staining Resistance |
Min Class 2 |
Resistance |
| 2. Household Chemicals |
Min Class B |
&Resistance |
| 3. Scratch Resistance |
Min 3 |
Min 3 |
