| Regulatory Properties |
| 1 |
Deviation in Length and Width |
± 0.30% (±1.00 mm) |
ISO 10545-2/IS 13630-1 |
± 0.10 % |
| 2 |
Deviation in Thickness |
± 5.0% (±0.50 mm) |
ISO 10545-2/IS 13630-1 |
± 3.0 % |
| 3 |
Straightness in Side |
± 0.30% (±0.80 mm) |
ISO 10545-2/IS 13630-1 |
± 0.10 % |
| 4 |
Rectangularity |
± 0.30% (±1.50 mm) |
ISO 10545-2/IS 13630-1 |
± 0.10 % |
| 5 |
Surface Flatness Central Curvature |
±0.40% (±1.80 mm) |
ISO 10545-2/IS 13630-1 |
± 0.20 % |
| 6 |
Surface Flatness Edge Curvature |
±0.40% (±1.80 mm) |
ISO 10545-2/IS 13630-1 |
± 0.20 |
| 7 |
Surface Flatness Warpage |
±0.40% (±1.80 mm) |
ISO 10545-2/IS 13630-1 |
± 0.10 % |
| 8 |
Surface Quality |
>95% Defects Free |
ISO 10545-2/IS 13630-1 |
> 95 % defects Free |
| 9 |
Glossiness (Polished) |
As Per Manufacturer |
Gloss Meter 60° |
≥ 90 |
| Structural Properties |
| 10 |
Water Absorption |
< 0.50 % |
ISO 10545-3/IS 13630-2 |
≤ 0.060 % |
| 11 |
Bulk Density |
As per Manufacturer |
ISO 10545-3/IS 13630-2 |
> 2.28 gm/cc |
| Massive Mechanical Properties |
| 12 |
Modulus of Rupture |
Min. 35.0 N/mm² |
ISO 10545-4/IS 13630-6 |
Min 37.0 N/mm² |
| 13 |
Breaking Strength Thickness 7.5mm |
Min 1300.0 N |
ISO 10545-4/IS 13630-6 |
Min 1500.0 N |
| Surface Mechanical Properties |
| 14 |
MOH'S Hardness |
As per Manufacturer |
IS 13630-13 |
≤ 6 |
| Thermal Hygrometric Properties |
| 15 |
Thermal Expansion (COE) at 100° C |
As per Manufacturer |
ISO 10545-8/IS 13630-4 |
Max 6.0 x 10-6 |
| 16 |
Thermal Shock Resistance |
Min 10 Cycle |
ISO 10545-9/IS 13630-5 |
Min 10 Cycle |
| 17 |
Impact Resistance (COR) |
Min. 0.55 |
ISO 10545-5/IS 13630-14 |
Min 0.55 |
| 18 |
Frost Resistance |
As per Manufacturer |
ISO 10545-12/IS 13630-10 |
Need to comply with the standard |
| 19 |
Crazing Resistance At 7.5 bar |
4 Cycle |
ISO 10545-1 1/IS 13630-9 |
4 cycle |
| Chemical Properties |
| 20 |
Resistance to Staining Glazed |
Min. Class 3 |
ISO 10545-14/IS 13630-8 |
Min Class 4/Min Class 1 |
| 21 |
Resistance to Household Chemicals |
Min Class GB |
ISO 10545-13/IS 13630-8 |
Min Class GB/Min Class AA |
|
& Swimming Pool Salts Glazed |
|
|
|
| 22 |
Resistance to Low Concentrate Acid and Alkalis Glazed |
As per Manufacturer |
ISO 10545-13/IS 13630-8 |
Min Class GLB***/ Min Class A* ** |
| 23 |
Resistance to High Concentrate Acid and Alkalis Glazed |
As per Manufacturer |
ISO 10545-13/IS 13630-7 |
Min Class GHB***/ Min Class A* ** |
