Q5: Can recycled HDPE be used for pressure pipes?

A: Yes, when meeting:

✅ ASTM D3350 PE3408 classification

✅ ESCR >1,000 hrs (per ASTM D1693)

✅ Passes 4,000-hr hydrostatic strength testing (ISO 1167)

Max. pressure rating: 1.6 MPa (PN16)