| PRODUCT CHARACTERISTICS | EN 14411: 2006 (GROUP ÁIa Annex M) REQUIREMENT | PROTOTYPE | OXYMAHON SPECIFICATION |
| DIMENSIONS(mm) Length anmd Width: - Average dimensional tolerance, in %, of one tile (2 or 4 sides) versus production dimension - Average dimensional tolerance, in %, of one tile (2 or 4 sides) versus the average dimension of 10 test specimens (20-40 sides |
± 1,00 ± 1,00 |
ISO 10545-2 | ± 0,75 ± 0,60 |
| STRAIGHTNESS (Visivle Side) Side straightness tolerance, in %, versus production dimension. |
+ 0,50 | ISO 10545-2 | + 0,40 |
| SURFACE QUALITY | ISO 10545-2 | GUARRANTED | |
| WATER ABSORPTION |
< 3 | ISO 10545-3 | < 1,5 |
| MODULUS OF RAPTURE(Í/mm2) | Average price> 20 | ISO 10545-4 | > 30 |
| SURFACE HARDNESS (Mohs Scale) Unglazed Tiles | > 6 | - | > 6 |
| WEAR RESISTANCE Resistance of unglazed tiles to deep abrasion: volume of material removed in mm3 |
< 275 | ISO 10545-6 | < 150 |
| THERMAL SHOCK RESISTANCE | REQUIRED | ISO 10545-9 | GUARRANTED |
| FROST RESISTANCE | REQUIRED | ISO 10545-12 | GUARRANTED |
| RESISTANCE TO HOUSEHOLD CHEMICALS | REQUIRED | ISO 10545-13 | GUARRANTED |
| ACID AND ALKALI RESISTANCE (excluding hydrogen fluoride and its derivates) | REQUIRED | ISO 10545-13 | GUARRANTED |
| COLOUR STABILITY after exposure to U.V rays. | - | ISO 10545-16 | GUARRANTED |