... with CE certificationProduct features:1,Net holes are easy for blockage, since net structure formed by indefinite fiber ... chemical fiber such as polypropylene or dacron as raw material, has acid and alkali resistance, hasn't corrosion ... 31.72.12.42.733.33.64.15 Width deviation for range, % m-0.5 Mightiness at break, KN ... Non-woven geotextiles with needle punched,PP/PET material for isolation and filter