Ldpe is made up of pbt (polymer binding technology) made with european standards ldpe has 8 ton load bearing capacity ldpe has low weight to high strength ldpe has minimum 70% scrap valueldpe manhole cover is 100% unbreakble ldpe manhole is air tight and insect proofldpe has no icthing and skin problems ldpe manhole cover is cheaper and better than frp manhole coversldpe manhole cover is uv (ultra voilet rays) protecteshence it will not get any damage by sunlight or it will not get bending issueits madeup with 100% virgin ldpe material.