About the product
Ancient slates provide Surfaces Ceramiche with the real, solid feel of nature and the whereby to create a lively, rustic material for a lived-in atmosphere.
Indian Slate gets physical.
It's strong and solid for a habitat you can reach out and touch.
The superior technique of fine porcelain stoneware tiles means that, even in areas where it blows hot and cold, when the weather teases and freezes and the going can get pretty hectic, Indian Slate is tough and ready.
With its versatile sizes and colours, the range is guaranteed to feel at home in well-worn country interiors where times past are just part of the scene.
Indian Slate
Technical Specification
| Physical properties | Testing Method | Required standards | Product Value |
| Water absorption | EN ISO 10545-3 | E ≤ 0,5% | 0,5% Average |
| Sizes | EN ISO 10545-2 | Length and Width ±0.6% Thickness ±5% Linearity ±0.5% Wedging ±0.6% Warpage ±0.5% Appearance: percentage of acceptable tiles per lot. |
Conforming |
| Bending strength | EN ISO 10545-4 | ≥ 35 N/mm2 | ≥ 50 N/mm2 |
| Thermal expansion coefficient | EN ISO 10545-8 | ≤ 9 MK-1 | 6,2 MK-1 |
| Thermal shock resistance | EN ISO 10545-9 | No alteration | Resistant |
| Resistance to low concentrations of acids and alkalis | EN ISO 10545-13 | See manufacturer’s declaration | No alteration |
| Frost resistance | EN ISO 10545-12 | No alteration | Resistant |
| Scratch resistance | EN ISO 10545-6 | 175 mm3 max. | < 130 mm3 Average |
| Brilliance | More or equal to that of marble and granite. | ||
| Color resistance to light | DIN 51094 | No noticeable color change | No alteration after testing. |
| Friction Coefficient | ASTM C 1028 | If needed | Dry > 0,70 Wet > 0,60 |
Colors
 IMPISO145 Ardesia Bianca |  IMPISO245 Ardesia Sabbia |  IMPISO345 Ardesia Dorata |  IMPISO545 Ardesia Argento |  IMPISO445 Ardesia Cenere |
