... 2.Good abrasion resistance 3.Widely used in the drainage of railway,highway ,tunnel HDPE double-wall ... .good abrasion resistance 4.longevityApplication Field :Widely used in the drainage of railway ,highway ,tunnel , waste landfill, green ... discharge, residential drainage works;3 Mine ventilation, drainage works;4 Agriculture, forestry, irrigation and drainage5 The water worksPerformance Parameter: ...