| TEST DESCRIPTION | STANDARD TEST METHOD | STANDARD REQUIREMENTS | GRANOLAND SPECIFICATION FOR PRODUCTION |
| Length | BS EN ISO 10545-2 | ±0.6% | ±0.07% (±0.4 mm) |
| Width | BS EN ISO 10545-2 | ±0.6% | ±0.13% (±0.4 mm) |
| Thickness | BS EN ISO 10545-2 | ±0.6% | ±4.2& (±0.4 mm) |
| Straightness of Sides | BS EN ISO 10545-2 | ±0.5% | ±0.06% (±0.4 mm) |
| Rectangularity | BS EN ISO 10545-2 | ±0.5% | ±0.12% |
| Surface Flatness:Center Curvature | BS EN ISO 10545-2 | ±0.5% | ±0.15% (+1.0 mm) ± 0.07% (-0.5 mm) |
| Surface Flatness:Edge Curvature | BS EN ISO 10545-2 | ±0.5% | +0.17% (+1.0 mm) +0.08% (+0.5 mm) |
| Surface Flatness:Center Warpage | BS EN ISO 10545-2 | ±0.5% | -0.15% (+1.0 mm) -0.07% (-0.5 mm) |
| Water Absorpation | BS EN ISO 10545-3 | E ≤ 0.5% | E ≤ 0.1% |
| Breaking Strength | BS EN ISO 10545-4 | ≥ 1300 N | ≥ 2000 N |
| Modulus of Rupture | BS EN ISO 10545-4 | ≤ 35 / MM2 | ≤ 36 / MM2 |
| Resistance to Surface Abrasion | BS EN ISO 10545-7 | Manufacture to state abrasion | PEI Class 2-5 |
| Coefficient of Linear Thermal Expansion | BS EN ISO 10545-8 | 6x10-6K-1 Max | ≤ 6x10-6K-1 |
| Resistant Thermal Shock | BS EN ISO 10545-9 | Mini 10 Cycles | 10 Cycles |
| Crazing Resistance | BS EN ISO 10545-11 | Mini 4 Cycles 7.5 Bar | 4 Cycles Pass |
| Resistance to household Chemicals & Swimming pool slats | BS EN ISO 10545-13 | Minimum Class GB | Class GA |
| Resistance to low Concentrations acids & Alkalis | BS EN ISO 10545-13 | Minimum Class GB | Class GA |
| Resistant to stains | BS EN ISO 10545-14 | Minimum Class 3 | Class 5 |