Technical Specifications
| S.No. | Test Description | I.S.- 4457:2007 | ISO 13006:2018 / EN 14411 Group BIa Requirement | Johnson Endura Clad Care Clad Stone | Test Method |
| A) Dimension Quality | Whichever is less applicable. | ||||
| 1 | Deviation in Length & Width | ±0.75% | ±0.6% , ± 2.0 mm | ±0.6% | IS 4457:2007 Annex B / ISO 10545-2 |
| 2 | Deviation in thickness | ±5% | ±5% , ± 0.5 mm | ±4% | IS 4457:2007 Annex B/ ISO 10545-2 |
| 3 | Straightness of sides | ±0.5% | ±0.5%, ±1.5mm | ±0.4% | IS 4457:2007 Annex B / ISO 10545-2 |
| 4 | Rectangularity | ±0.6% | ±0.5%,± 2.0 mm | ±0.4% | IS 4457:2007 Annex B / ISO 10545-2 |
| 5 | Surface flatness | ±0.5% | ±0.5%,± 2.0 mm | ±0.3% | IS 4457:2007 Annex B / ISO 10545-2 |
| 6 | Surface Quality | Min 95% | Min 95% | Min 95% | IS 4457:2007 Annex B / ISO 10545-2 |
| B) Physical Properties | |||||
| 1 | Water Absorption | <0.5% | <0.5%, Individual Max 0.6% | <0.5% | IS 4457:2007 Annex C / ISO 10545-3 |
| 2 | Scratch hardness of surface (Moh's scale) | Report value | _ | >7 | IS 13630 part 13 |
| 3 | Flexural Strength (Average MOR) | >35N/mm² | >35N/mm², Individual 32N/mm2, Min | >38N/mm² | IS 4457:2007 Annex D / ISO 10545-4 |
| 4 | Breaking Strength | >700N | >700N | >800N | IS 4457:2007 Annex D / ISO 10545-4 |
| 5 | Surface Abrasion Resistance (PEI Rating) Glazed | _ | Report abrasion class | Min PEI IV - V | ISO 10545-7 / IS 13630-11 |
| 6 | Deep Abrasion Resistance (Ungalzed) | <175mm3 | <175mm3 | <120mm3 | IS 4457:2007 Annex E / ISO 10545- 6 |
| 7 | Skid Resistance (R value Ramp test) | _ | Manufacturer to declare | >R9 | DIN 51130 |
| 8 | Bulk Density, in (g/cc) | _ | Report value | >2.2 | ASTM C373-16 / IS 13630-2 |
| 9 | Moisture Expansion | _ | Manufacturer to declare | <0.3mm/m | IS 13630-part 3 / ISO 10545-10 |
| 10 | Frost Resistance | _ | Manufacturer to declare | No damage | ISO 10545-12 / IS 13630-10 |
| 11 | Color Resistance to UV Light | _ | Report result | No change in color | DIN 51094 |
| C) Chemical Properties | |||||
| 1 | Resistance to Chemicals | ||||
| a) Resistance to household chemicals and swimming pool salts | Resistant | Minimum B | Class GB | ISO 10545 part 13 | |
| b) Resistance to acids & alkalies | Manufacturer to declare | Manufacturer to declare | Class GLA/GHA | ||
| 2 | Stain Resistance | _ | Min Class 3 | Class 3 | IS 13630 part 7 / ISO 10545-14 |
| D) Thermal Properties | |||||
| 1 | Linear Thermal Expansion | _ | <7x10-6K-1 | <7x10-6K-1 | ISO 10545-8/ IS 13630-4 |
| 2 | Thermal Shock Resistance | No damage | No damage | No damage | ISO 10545-9 / IS 13630 -5 |
