National Liner meets or exceeds the following ASTM standards for cured-in-place pipeline rehabilitation.
Standard practice for rehabilitation of existing pipelines and conduits by the inversion and curing of a resin impregnated tube.
Active Standard (Latest Version).
Standard test methods flexural properties of unreinforced and reinforced plastics and electrical insulating materials. Active Standard (Latest Version).
Standard test method for tensile properties of plastics. Active Standard (Latest Version).