| Regulatory Properties |
| Deviation in Length and Width |
± 0.30 % (± 1.00 mm) |
± 0.10 % |
ISO 10545-2 |
| Deviation in Thickness |
± 5.00 % (± 0.50 mm) |
± 5.00 % |
ISO 10545-2 |
| Straightness in Side |
± 0.30 % (± 0.80 mm) |
± 0.10 % |
ISO 10545-2 |
| Rectangularity |
± 0.30 % (± 1.50 mm) |
± 0.10 % |
ISO 10545-2 |
| Surface Flatness Central Curvature |
± 0.40 % (± 1.80 mm) |
± 0.50 % |
ISO 10545-2 |
| Surface Flatness Edge Curvature |
± 0.40 % (± 1.80 mm) |
± 0.50 % |
ISO 10545-2 |
| Surface Flatness Warpage |
± 0.40 % (± 1.80 mm) |
± 0.50 % |
ISO 10545-2 |
| Surface Quality |
> 95% defects free |
> 95% defects free |
ISO 10545-2 |
| Small Color Difference (for Plain Colour) |
ΔE < 1.00 |
ΔE < 0.30 |
ISO 10545-16 |
| Glossiness (Polished) |
As per mfg. |
Gloss Value > 90 |
Gloss Meter 60° |
| Glossiness (Matt) |
As per mfg. |
3 < Gloss Value < 7 |
Gloss Meter 60° |
| Glossiness (Satin / Posh) |
As per mfg. |
7 < Gloss Value < 18 |
Gloss Meter 60° |
| Structural Properties |
| Water Absorption |
≤ 0.50 % |
≤ 0.060 % |
ISO 10545-3 |
| Bulk Density |
As per mfg. |
Min. 2.28 g/cc |
ISO 10545-3 |
| Massive Mechanical Properties |
| Modulus of Rupture |
Min. 35.0 N/mm² |
Min. 42.0 N/mm² |
ISO 10545-4 |
| Breaking Strength (thickness < 7.5 mm) |
Min. 700.0 N |
Min. 1000.0 N |
ISO 10545-4 |
| Breaking Strength (thickness ≥ 7.5 mm) |
Min. 1300.0 N |
Min. 1800.0 N |
ISO 10545-4 |
| Breaking Strength (thickness 15 mm) |
Min. 1300.0 N |
Min. 7500.0 N |
ISO 10545-4 |
| Surface Mechanical Properties |
| MOH'S Hardness # |
As per mfg. |
Glossy Min. 4* / Posh Min. 6 |
BS EN 15771 |
| Surface Abrasion Resistance # |
As per mfg. |
Glossy Min. 2 / Posh Min. 3 |
ISO 10545-7 |
| Deep Abrasion Resistance # |
Max. 175 mm³ |
Max. 132 mm³ |
ISO 10545-6 |
| Thermal Hygrometric Properties |
| Moisture Expansion |
Max. 0.06 % (0.6 mm/m) |
Max. 0.02 mm/m |
ISO 10545-10 |
| Thermal Expansion (COE) at 100°C |
As per mfg. |
Max. 6.0 × 10-6 |
ISO 10545-8 |
| Thermal Shock Resistance |
Min. 10 Cycles |
Min. 10 Cycles |
ISO 10545-9 |
| Impact Resistance (COR) # |
Min. 0.55 |
Min. 0.55 |
ISO 10545-5 |
| Frost Resistance |
As per mfg. |
Frost Proof |
ISO 10545-12 |
| Chemical Properties |
| Resistance to Staining (glazed) |
Min. Class 3 |
Min. Class 4 |
ISO 10545-14 |
| Resistance to Household Chemicals & Swimming Pool Salts (glazed) |
Min. Class GB |
Min. Class GA |
ISO 10545-13 |
| Resistance to Low Concentrate Acid and Alkalis (glazed) |
As per mfg. |
Min. Class GLB** |
ISO 10545-13 |
| Resistance to High Concentrate Acid and Alkalis (glazed) |
As per mfg. |
Min. Class GHB** |
ISO 10545-13 |
| Safety Properties |
| Skid Resistance (DCOF – Dry) ## |
As per mfg. |
Glossy P0 (< 12) / Posh ≥ P1 (12 – 24) |
BS 7976-2 |
| Slip Resistance (DCOF) (R Value) ## |
As per mfg. |
R9 to R13 |
DIN 51130 |
| Fire Resistance |
As per mfg. |
Fire Proof |
N.A. |
