HDPE pipes PE100 pipes PE80 pipes HDPE electrofusion pipe fittings 1.for water and gas (special for fuel gas) 2.material:PE100 PE80(improted polyethylene material) 3.size 20mm--800mm 4.Connectivity: welding 5.standard:ISO9001 GB15558.2-2005 GB13663.2-2011 KS certificate(Korean standard association) PE Fittings 6>Pressure Rating: 0.8MPa-1.6MPa 7>Color:black or other colors on request naked