|
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 has not 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 |