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LUGO VERDE POL GREEN SLATE NATURAL ROOFING SLATE |
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| ORIGING: North-west Spain | |
| COLOUR: Grey | |
| SIZES: |
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| Water absorption | W1 |
| Non carbonate carbon content | In accordance <1% |
| Mechanical resistance characteristics (MoR) | Transversal 50.5N/mm2 Longitudinal 56.3N/mm2 |
| Calcium carbonate content | Complies <1% |
| Dimensional tolerances | Complies |
| Thermal cycle | T1 |
| Exposure SO2 | S1 |
| External fire performance | Deemed to satisfy A1 |
| Reaction to fire | Deemed to satisfy A1 |
| Release of dangerous substances | None |
| Use as roofing or external cladding | Yes |