| NO. | CHARACTERISTIC | EURO STANDARD EN-159/IS 13753 | VALUE |
|---|---|---|---|
| DIMENSION & SURFACE QUALITY | |||
| 1 | Dimension & Surface Quality | ± 0.5% | ± 0.4% |
| 2 | Deviation in Thickness | ± 0.6% | ± 0.3mm |
| 3 | Straightness of sides | ± 0.3% | ± 0.2% |
| 4 | Rectangularity | ± 0.5% | ± 0.3% |
| 5 | Surface flatness | ± 0.5% | ± 0.3% |
| 6 | Surface Quality | Min 95% | Min 96% |
| PHYSICAL PROPERTIES | |||
| 1 | Water absorption | >10% | 12-15% |
| 2 | Bending Strength | > 150 Kg/Cm2 | 150-180 Kg./Cm2 |
| 3 | Scratch hardness (Mohs) | Min 3 | Min 3 |
| 4 | Crazing | 1 cycle | No Crazing at 4 Cycles |
| CHEMICAL PROPERTIES | |||
| 1 | Staining Resistance | Min Class 2 | Resistance to all Acids, Alkalies & Household Chemicals, except Hydro Fluoric Acid |
| 2 | Household Chemical | Min Class B | Resistance to all Acids, Alkalies & Household Chemicals, except Hydro Fluoric Acid |
| THERMAL PROPERTIES | |||
| 1 | Thermal Shock | Resistant to 10 Cycles | CONFORMS |
| 2 | Thermal Expansion | Max-9E-06 | CONFORMS |
