CHARACTERISTICS | IS 15622:2006 SPECIFICATION |
ASTONIA CERAMIC | METHOD OF TESTING |
---|---|---|---|
Dimension & Surface Quality | |||
Deviation in Length | ± 0.2% | ± 0.4% | ISO 10545-2 IS:13630-1 |
Deviation in Thickness | ± 4% | ± 3% | ISO 10545-2 IS:13630-1 |
Rectangularity | ± 0.15% | ± 0.04% | ISO 10545-2 IS:13630-1 |
Surface Flatness | ± 0.22% | ± 0.05% | ISO 10545-2 IS:13630-1 |
Surface Quality | Min 95% | Min 95% | |
Physical Properties | |||
Water Absorption | ≥ 10% | 14-16% | ISO 10545-3 IS:13630-2 |
Bending Strength | Avg. 15N/mm2 | 17N Minimum | ISO 10545-4 IS:13630-6 |
Scratch Hardness (mohs) | Min.3 | Min.3 | IS:13630 (Part-13) |
Surface Abrasion | N. A. | PEI Group II | ISO 10545-7 IS:13630-11 |
Crazing | 4 Cycles | 4 Cycles | ISO 10545-11 IS:13630-9 |
Chemical Properties | |||
Staining Resistance | Passes | ||
Household Chemicals | Class AA | Resistance to all, except hydrofluoric acide & its compount | ISO 10545-13 IS:13630-8 |
Thermal Properties | |||
Thermal Shock | Min 10 Cycles | Min. 10 Cycles | ISO 10545-9 IS:13630-5 |
Thermal Expansion | 9.0 x 10-6K-1 max. | Complies |