Slate 
TECHNICAL INFORMATION
 |
| Water absorption |
|---|
| Norms: |
| ISO 10545.3 |
| Required Standards: |
| ≤ 0,5 % |
| • Fiandre Value: |
| 0,01% ÷ 0,04% |
 |
| Sizes |
|---|
| Norms: |
| ISO 10545.2 |
| Required Standards: |
| Lenght and width ±0,6% max Thickness ±5,0% max Linearity ±0,5% max Wedging ±0,6% max Warpage ±0,5% max |
| • Fiandre Value: |
| ± 0,2% ± 2,0% ± 0,2% ± 0,2% ± 0,2% |
 |
| Bending strenght |
|---|
| Norms: |
| ISO 10545.4 |
| Required Standards: |
| ≥ 35 N/mm² |
| • Fiandre Value: |
| 50 N/mm² |
 |
| Resistance to deep abrasion |
|---|
| Norms: |
| ISO 10545.6 |
| Required Standards: |
| ≤ 175 mm³ |
| • Fiandre Value: |
| 131 mm³ |
 |
| Thermal expansion coefficient |
|---|
| Norms: |
| ISO 10545.8 |
| Required Standards: |
| ≤ 9 MK¹ |
| • Fiandre Value: |
| 7 MK¯¹ |
 |
| Thermal shock resistance |
|---|
| Norms: |
| ISO 10545.9 |
| Required Standards: |
| Testing method available |
| • Fiandre Value: |
| Resistant |
 |
| Frost resistance |
|---|
| Norms: |
| ISO 10545.12 |
| Required Standards: |
| No sample must show alterations to surface |
| • Fiandre Value: |
| Frost proof |
 |
| Chemical resistance |
|---|
| Norms: |
| ISO 10545.13 |
| Required Standards: |
| No sample must show visible signs of chemical attack (acids-basis-additives for swimming) except for products containing hydrofluoric acid and derivates |
| • Fiandre Value: |
| Unaffected |
 |
| Color resistance to light |
|---|
| Norms: |
| DIN 51094 |
| Required Standards: |
| No sample must show noticeable colour change |
| • Fiandre Value: |
| No change in brightness or color |
 |
| Stain Resistance |
|---|
| Norms: |
| ISO 10545.14 |
| Required Standards: |
| • Fiandre Value: |
| Resistant to stain |
NOTES
• Average value of production
Required Standards according to the ISO 13006 (European norms) tiles of the B1a category and fully vitrified.
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