Large-diameter PE Water Supply Pipe Use

1.20℃ hydrostatic strength (hoop stress 12.4MPa,100h) does not rupture, do not leak;

2.80℃ hydrostatic strength (hoop stress 5.5MPa,165h) does not rupture, do not leak;

3.80℃ hydrostatic strength (hoop stress 12.4MPa,1000h) does not rupture, do not leak;

4.vertical shrinkage (110 c),% ≤ 3;

5.oxidative induction time (200 c), min ≥ 20;

6.resistance (aging energy tubes today received more than GJ/square meters) hydrostatic strength 80 ℃ (hoop stress 5.5MPa,165h) does not rupture, no leakage.