Characteristics according to UNE standards
| GROUP B Ib | ||||
|---|---|---|---|---|
| Standard | Test | UNE EN 14411:2003 |
||
| 25x25 | 31,6x31,6 | |||
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Measurement of length and width. |
± 1,2 % | ± 1,0 % | |
Measurement of thickness. |
± 10 % | ± 10 % | ||
Measurement of straightness of sides. |
± 0,7 % | ± 0,5 % | ||
Measurement of rectangularity. |
± 1,0 % | ± 0,6 % | ||
Measurement of surface flatness. |
± 1,0 % | ± 0,5 % | ||
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Water absorption. |
0.5 % < E > 3 % | ||
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Bending strength. Modulus of rupture. |
> 30 N/mm2 Individual min.: 27 |
> 43 N/mm2 |
|
Breaking load. |
> 1.100 N | |||
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Resistance to surface abrasion. |
Declare class and no. of revolutions |
Class 2-5 | |
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Linear thermal expansion test. |
Method available | ||
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Resistance to thermal shocks. |
Method available | ||
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Resistance to cracking. Glazed tiles. |
Required | ||
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Resistance to frost and ice. |
Required | ||
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Resistance to cleaning products and swimming pool reactive agents. |
Minimum GB | ||
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Resistance to staining. |
> 3 | ||
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Friction coefficient. |
Tortus method | ||
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Scratch resistance Mohs test. |
Not required | 6 - 9 | |











