1,150mm hdpe pipe 2, for pe100 from 20mm to 630mm; 3, for pe 80 from 63mm to 710mm; 4, with pn0.4mpa, 0.6mpa ... .Non-toxic:no heavy metal additives,would not be covered with dirt or contaminated by bacterium2.Corrosion Resistant:resist chemical matters ... and higher volume than metal pipe5.Longevity:more than 50 years under proper use6.Recycled and Environment-friendly 150mm hdpe pipe with pe 100 and pe ...