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| Application Area | Interior | Exterior | |||
| Residential | Light Commercial | Commercial | Residential | Commercial | |
| Floor | |||||
| Wall | |||||
| SR. No. | Characteristic | Test Method | IS 15622 :2017 (GROUP B I b) | Varmora Value |
|---|---|---|---|---|
| A. Dimension & Surface Quality | ||||
| 1 | Deviation in Length & Width | IS - 13630 - 1 | ± 0.10% | ± 0.10% |
| 2 | Deviation in Thickness | IS - 13630 - 1 | ± 5.00% | ± 3.50% |
| 3 | Straightness of sides | IS - 13630 - 1 | ± 0.10% | ± 0.10% |
| 4 | Rectangularity | IS - 13630 - 1 | ± 0.10% | ± 0.10% |
| 5 | Surface Flatness | IS - 13630 - 1 | ± 0.50% | ± 0.20% |
| 6 | Surface Quality | IS - 13630 - 1 | Minimum 95 % of tiles shall be free from visible defects | 95% |
| B. Physical Properties | ||||
| 1 | Water Absorption | IS - 13630 - 2 | Avg. 0.08% | Avg.0.5% - 2% |
| 2 | Modulus of Rapture(N/mm2) | IS - 13630 - 6 | Avg. 30 N/mm2 | Avg. 35 N/mm2 |
| 3 | Breaking Strength (N) | IS - 13630 - 6 | Thickness <7.5 mm = 700 N Thickness ≥7.5 mm = 1100 N | Thickness ≥7.5 mm = 1500 N |
| 4 | Moisture Expansion (mm/m) | IS - 13630 - 3 | 0.02 Max. | 0.01 Max. |
| 5 | Scratch Hardness of Surface (Moh' Scale) | IS - 13630 - 13 | 5,Min | 5* |
| 6 | Resistance of Surface Abrasion(Glazed Tiles) | IS - 13630 - 11 | Class II, Min. | Class IV |
| 7 | Co-efficient of linear thermal expansion | IS - 13630 - 4 | 7x10-6, Max | 7x10-6, Max |
| 8 | Thermal Shock Resistance | IS - 13630 - 5 | 10 Cycles,Min | 10 Cycles,Pass |
| 9 | Crazing Resistance | IS - 13630 - 9 | 4 Cycles at 7.5 Bar ,Min | 4 Cycles, Pass |
| 10 | Impact Resistance-Co-efficient of Restitution | IS - 13630 - 14 | 0.55,Min | 0.55,Min |
| 11 | Co-efficient of Friction | - | Manufacturer Norms | Manufacturer Norms |
| 12 | Frost Resistance | IS - 13630 - 10 | Manufacturer Norms | No Damage |
| 13 | Bulk Density (g/cc) | IS - 13630 - 2 | 2.0, Min | 2.3 |
| C. Chemical Properties | ||||
| 1 | Resistance to Staining | IS - 13630 - 8 | Class I | Class II |
| 2 | Resistance to Household Chemicals | IS - 13630 - 8 | Class AA,Min | Class AA,Min |
| 3 | Resistance to Acids & Alkalis | IS - 13630 - 8 | Required If agreed according to chemical resistance class indicated by manufacturer | Resistance |
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