|
 Requirement
Code
Items |
Glazed Tiles |
|
European Standard |
Internal Corporate Standard |
|
EN14411-2003 |
------------- |
|
Water absorption (E) |
Average E>10% Single E≥9% |
Average10%< E≤17%
Single E≥9% |
|
Fracture strength (N ) |
Thickness≥7.5mm≥600N
Thickness<7.5mm≥200N |
Thickness≥7.5mm≥650N
Thickness<7.5mm≥250N |
|
Breaking Mould (Mpa) |
Thickness≥7.5mm,≥15M pa
Thickness<7.5mm, ≥12M pa |
Average ≥ 18 M pa
Single ≥ 16 M pa |
|
Abrasion Resistance (mm3) |
------------------- |
Used for walls Class 0
Used for walls Class 2 |
|
Thickness (%) |
+
10% |
+
10% |
|
Difference of the average size and working size of single tiles |
L≤12cm |
L>12cm |
L≤12cm |
L>12cm |
|
+
0.75% |
+
0.50% |
+
0.40% |
+
0.3% |
|
Tolerant distortion (%) |
Straightness |
+
0.3 |
+
0.12 |
|
Right angle level |
+
0.5 |
+
0.18 |
|
Center camber,
Side camber |
+
0.5 -0.3 |
+
0.25 -0.12 |
|
Distortion |
+
0.5 |
+
0.18 |
|
Appearance quality |
Delamination(except the fraud delamination) |
Not
permit |
Not
permit |
|
Color difference |
At
least 95% of the tiles hasn’t visible defections which may
influence the quality |
No
obvious watching at the distance of 2m to the tiles |
|
Other defections (Ratio of incorrect checking) |
≤2%
watching at the distance of 0.8m to the tiles |
