Technical Specifications
| S.No. | Test Description | ISO 13006:2018 /EN 14411 Group BIa Requirement | IS - 15622:2017 Group B1b | Johnson Endura Cool Roof Tile | Test Method | ||
| 0.8 cm | 1.0 cm | 2.0 cm | |||||
| A) Dimension Quality | Whichever is less applicable. Rectified | Rectified | |||||
| 1 | Deviation in Length & Width | ±0.3% or ±1.0mm | ±0.1% | ±0.1% | ±0.1% | ±0.1% | ISO 10545-2 / IS 13630-1 |
| 2 | Deviation in Thickness | ±5% or ±0.5mm | ±5% | ±4% | ±4% | ±4% | |
| 3 | Straightness of Sides | ±0.3% or ±0.8mm | ±0.1% | ±0.1% | ±0.1% | ±0.1% | |
| 4 | Rectangularity | ±0.3% or ±1.5mm | ±0.1% | ±0.1% | ±0.1% | ±0.1% | |
| 5 | Surface Flatness | ±0.4% or ±1.8mm | ±0.5% | ±0.3% | ±0.3% | ±0.3% | |
| 6 | Surface Quality | Min 95% | Min 95% | Min 95% | Min 95% | Min 95% | |
| B) Physical Properties | |||||||
| 1 | Water Absorption | < 0.5% | 0.08<E<3 | <0.5% | <0.5% | <0.5% | ISO 10545-3 / IS 13630-2 |
| 2 | Scratch Hardness of Surface (Moh's scale) | >5 | >6 | >6 | >6 | IS 13630 part 13 | |
| 3 | Flexural Strength (Average MOR) | >35 N/mm2, Individual 32N/mm2, Min | >30N/mm², Individual 27 min | >35N/mm² | >35N/mm² | >35N/mm² | ISO 10545-4 / IS 13630-6 |
| 4 | Breaking Strength | >1300 N | >1100N | >1300N | >1800N | >8000N | |
| 5 | Impact Resistance | Report value | >0.55 | >0.55 | >0.55 | >0.55 | ISO 10545-5 / IS 13630 -14 |
| 6 | Crazing Resistance | Report cycle | 4 cycle | No damage | No damage | No damage | ISO 10545-11 / IS 13630- 9 |
| 7 | Abrasion Resistance (PEI Rating) | Report abrasion class | Class II, Min | Min PEI IV | Min PEI IV | Min PEI IV | ISO 10545-7 / IS 13630 - 11 |
| 8 | Skid Resistance (Coefficient of Friction ) | Manufacturer to declare | Manufacturer to declare | >0.42 | >0.42 | >0.42 | ISO 10545 -17 /ANSI A 326.3 |
| 9 | Bulk Density, in (g/cc) | >2.0 | >2.0 | >2.2 | >2.2 | >2.2 | ASTM C373-16 / IS 13630-2 |
| 10 | Moisture Expansion | Manufacturer to declare | Max 0.02 mm/m | <0.02 mm/m | <0.02 mm/m | <0.02 mm/m | IS 13630-part 3 / ISO 10545-10 |
| 11 | Frost Resistance | Manufacturer to declare | Manufacturer to declare | No damage | No damage | No damage | ISO 10545-12 / IS 13630-10 |
| 10 | Color Resistance to UV Light | Report result | Report result | No change in color | No change in color | No change in color | DIN 51094 |
| C) Chemical Properties | |||||||
| 1 | Resistance to Chemicals | ISO 10545-13 / IS 13630-8 | |||||
| 1) Resistance to Low concentrations of acids & alkalies | Manufacturer to declare | Manufacturer to declare | ULA /GLA | ULA /GLA | ULA /GLA | ||
| 2) Resistance to High concentrations of acids & alkalies | Manufacturer to declare | Manufacturer to declare | UHA /GHA | UHA /GHA | UHA /GHA | ||
| 3) Resistance to household chemicals and swimming pool salts | UB/GB | Manufacturer to declare | UA /GA | UA /GA | UA /GA | ||
| 2 | Stain Resistance | Min Class 3 | Class 1 min | Class 3 (ISO)/ Class 1 ( IS ) | Class 3 (ISO)/ Class 1 ( IS ) | Class 3 (ISO)/ Class 1 ( IS ) | ISO 10545-14 / IS 13630-8 |
| D) Thermal Properties | |||||||
| 1 | Linear Thermal Expansion | Report value | <7x10-6K-1 | <7x10-6K-1 | <7x10-6K-1 | <7x10-6K-1 | ISO 10545-8 / IS 13630 -4 |
| 2 | Thermal Shock Resistance | No damage | 10 Cycle . Min | No damage | No damage | No damage | ISO 10545-9 / IS 13630 -5 |
| E) Solar Reflectance Index (SRI) | >78 | _ | >90 (White colour) | >90 (White colour) | >90 (White colour) | ASTM E1980, EN 673, and EN411 | |
