As Per ISO 4427, DIN 8074 / 8075 & PS 3580. POPULAR HDPE (High Density Polyethylene) pipe is ideal for many different applications including municipal, industrial, energy, geothermal, landfill and more. POPULAR HDPE pipe is strong, durable, flexible and light weight. When fused together, POPULAR HDPE pipe has a zero leak rate because the fusion