It meets the requirements of GB/T 13663.1 and ISO 4427 standards.

The product quality meets the standard for safety evaluation of equipment and protective materials in the drinking water system (GB/T17219).

216. Resistance to slow crack growth (SCG≥500h) 

216. Resistance to rapid crack propagation

216. (RCP (dn315SDR11, 0°C) ＞10bar)

216. Long-term creep performance (MRS≥10MPa)

216. Excellent welding compatibility

216. Excellent anti-seismic performance

216. Excellent corrosion resistance