project |
Indicators |
|
Density,kg/m3 |
1350~1460 |
|
Vicat softening temperature ℃ |
>80 |
|
Longitudinal reversion % |
<5 |
|
Methylene chloride immersion test 15℃,15min |
Surface changes are not inferior to 4N |
|
Drop hammer impact test (0℃) TIR,% |
<5 |
|
Hydraulic test |
DN<40mm,20℃ 36mpa 1h |
No rupture,no leakage |
DN>40mm,20℃ 36mpa 1h |
||
20℃ 30mpa 100h |
||
10℃ 60mpa 1000h |
||
System suitablity test |
Links tightness test |
|
Negative pressure test |
||
Declination test |
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