... 4, with pn0.4mpa, 0.6mpa, 0.8mpa...1. 1, pictures hdpe pipesPE water supply pipeMaterial:high quality PE80 or PE100Standard ... :ISO9001,ISO14001,OHSAS180019.Applications:water supply,industrial liquids transportation and sewage treatmentAdvantages:1.Non-toxic:no heavy metal additives, ... .Longevity:more than 50 years under proper use6.Recycled and Environment-friendly pictures hdpe pipes with pe 100 ...