|
Tested Features |
|
Chinese Government Standard |
|
European Standard |
| |
|
|
|
|
| Length |
|
±1.0mm |
|
±0.6% |
| |
|
|
|
|
| Thickness |
|
±5.0% |
|
±5.0% |
| |
|
|
|
|
| Straightness of Edges |
|
±0.2%, & <= 2.0mm |
|
±0.5% |
| |
|
|
|
|
| Squareness |
|
±0.2%, & <= 2.0mm |
|
±0.6% |
| |
|
|
|
|
| Centre Bending Strength |
|
±0.2%, & <= 2.0mm |
|
±0.5% |
| |
|
|
|
|
| Side Bending Strength |
|
±0.2%, & <= 2.0mm |
|
±0.5% |
| |
|
|
|
|
| Warpage |
|
±0.2%, & <= 2.0mm |
|
±0.5% |
| |
|
|
|
|
| Surface Quality |
|
At least 95% of tiles of which surface
when viewed vertically at a distance of 0.8m shows no defect. |
|
At least 95% of tiles surface shows no
defect |
| |
|
|
|
|
| Water Absorption |
|
Average value <= 0.5%,
individual value <= 0.6% |
|
<= 3% |
| |
|
|
|
|
| Breaking Strength |
|
Thickness >= 7.5mm, Average value >
1300N
Thickness < 7.5mm, Average value >= 700N |
|
- |
| |
|
|
|
|
| Thernal Shock Resistance |
|
After 10 times thermal shock resistance
tests shows no breakage or crack |
|
After 10 times thermal shock resistance
tests at 145 Degrees Centigrade to 15 Degrees Centigrade shows no
breakage or crack |
| |
|
|
|
|
| Rupture Moduius |
|
Average value >= 35MPA,
Individual value >= 32MPA |
|
>= 27MPA |
| |
|
|
|
|
| Luster |
|
Average value >= 55 |
|
- |
| |
|
|
|
|
| Scratch Resistance |
|
<= 175mm CUBED!! |
|
<= 205mm CUBED!! |
| |
|
|
|
|
| Acidity Resistance |
|
Immersion in 18% HCL solution for 12 days |
|
Not less than B grade |
| |
|
|
|
|
| Alkalinity Resistance |
|
Immersion in 100g/L KOH solution for 12
days |
|
Not less than B grade |
| |
|
|
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