PRODUCT PROPERTIES EN 14411: 2006 (GROUP ÁIa Annex M) ACCORDING TO STANDARD OXYMAHON'S TEST RESULT
DIMENSIONS
Length and 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
THICKNESS
 Average thickness tolerance, in %, versus production thickness.		 ± 10 ISO 10545-2 ± 10
STRAIGHTNESS (visible side)
Side straightness tolerance, in %, versus production dimension.		 ±0,50 ISO 10545-2 ± 0,40
RECTANGULARITY
Square ness tolerance, in %, versus production dimension.		 ± 1,00 ISO 10545-2 ± 0,75
FLATNESS
Maximum tolerance, in %, from flatness:
1. Convexity or concavity, in %, versus diagonal length calculated from production dimension.
2. Warpage of sides, in %, versus production dimension.
3. Twist, in %, versus diagonal length calculated from production dimension.
± 0,50

± 0,50

± 0,80 		ISO 10545-2
± 0,40

± 0,40

± 0,60
SURFACE QUALITY AT LEAST 95% OF TILES MUST NOT HAVE VISIBLE DEFFECTS WHICH MAY SPOIL THE APPEARENCE OF A GREAT PART OF THEIR SURFACE ISO 10545-2 GUARANTEED
WATER ABSORPTION in %
Grey white-Dark grey
Ochre-Red		 0,5 ISO 10545-3 0,5
MODULUS OF RAPTURE (Í/mm2)
Grey White - Dark Grey
Ochre - Red		 average price 20 ISO 10545-4 30
25
SURFACE HARDNESS Unglazed tiles Grey white - Dark Grey Ochre - Red 6 - 8
7
WEAR RESISTANCE
Resistance of unglazed tiles to deep abrasion: volume of material removed in mm3
Grey White - Dark Grey
Ochre - Red		 275 ISO 10545-6 150
200
COEFFICIENT OF THERMAL LINEAR EXPANSION from room temperature up to 100oC

Grey White - Dark Grey
Ochre - Red


4×10-6 Ê-1
-
8×10-6 Ê-1 		ISO 10545-8


5,15×10-6 Ê-1
4,83X10-6 Ê-1

THERMAL SHOCK RESISTANCE

 REQUIRED ISO 10545-9 GUARANTEED
FROST RESISTANCE REQUIRED ISO 10545-12 GUARANTEED
RESISTANCE TO HOUSEHOLD AND SWIMMING POOL CHEMICALS (except for products containing hydrogen fluoride) REQUIRED ISO 10545-13 GUARANTEED
ACID AND ALKALI RESISTANCE (excluding hydrogen fluoride and its derivates) REQUIRED ISO 10545-13 GUARANTEED
COLOUR STABILITY - ISO 10545-16 GUARANTEED