| |
Product Standard |
European Standard |
National Standard |
Qualicer Ceramics |
| Water absorption |
GB/T4100.1-1999 |
≤0.5% |
≤0.5% |
Average value E≤0.1%
Individual value E≤0.1% |
| Breaking strength modulus of rupture |
GB/T4100.1-1999 |
≥27MPa |
Average value≥35Mpa
Individual value≥32Mpa |
≥35Mpa |
| Length |
GB/T4100.1-1999 |
±0.6% |
±0.2% |
±0.1% |
| Width |
GB/T4100.1-1999 |
±0.6% |
±0.2% |
±0.1% |
| Thickness |
GB/T4100.1-1999 |
±5% |
±5.0% |
±3% |
| Surface smoothness |
GB/T4100.1-1999 |
±0.5% |
±0.2% |
±0.15% |
| Side straightness |
GB/T4100.1-1999 |
±0.5% |
±0.2% |
±0.15% |
| Squareness |
GB/T4100.1-1999 |
±0.6% |
±0.2% |
±0.15% |
| Abrasive resistance |
GB/T4100.1-1999 |
<205mm3 |
≤175mm3 |
<175mm3 |
| Cdefficient of linear thermat expansion |
GB/T4100.1-1999 |
<9x10-6k-1 |
|
<7x10-6k-1 |
| Hot vibration resistance |
GB/T4100.1-1999 |
OK |
No rupture or crack occurs after 10 cycles of rapid cooling and rapid heating |
The product is qualified when no rupture of crack occurs after 10 cycles of apid cooling and rapid heating. |
| Freezing resistance |
GB/T4100.1-1999 |
EN176 |
No crack or peeling occurs after freezing test |
The product is qualified when no crack or peeling occurs after freezing test. |
| Glossiness |
GB/T4100.1-1999 |
|
≥55° |
≥60° |
| Radioactive |
GB6566-2001.Category A GB6566-2001.A |
|
GB6566-2001.Category A GB6566-2001.A |
GB6566-2001.Category A GB6566-2001.A |
