| TESTING ITEM |
METHOD |
EN STANDARD |
OUT STANDARD |
| Water
Absorbing Rate |
EN99 |
<=
0.5% |
<=
0.5% |
| Bending
Strength |
EN100 |
>27N/mm2 |
>27N/mm2 |
| Length
Variation |
EN98 |
±0.6%
max |
±0.6%
max |
| Width
Variation |
EN98 |
±0.6%
max |
±0.6%
max |
| Thickness
Variation |
EN98 |
±5%
max |
±5%
max |
| Surface
Evenness |
EN98 |
±0.5%
max |
±0.5%
max |
| Edge
Straightness |
EN98 |
±0.5%
max |
±0.5%
max |
| Right
Angle |
EN98 |
±0.6%
max |
±0.6%
max |
| Attrition
Rate |
EN102 |
<205mm3 |
<205mm3 |
| MOH'S
Hardness Scale |
EN101 |
>6MOH'S |
>6MOH'S |
| Linear
Coefficient of Thermal Expansion |
EN103 |
<9x10e-6
k-1 |
<9x10e-6
k-1 |
| Chemical
Corrosion Resistance |
EN106 |
No
sample must show visible signs of chemical attack |
conform |
| Thermal
Shock |
EN104 |
No
sample must show visible alterations |
conform |
| Freeze
Resistance |
EN202 |
No
sample must show break or visible alterations of the surface |
conform |