National Liner meets or exceeds the following ASTM standards for cured-in-place pipeline rehabilitation.
F 1216
Standard practice for rehabilitation of existing pipelines and conduits by the inversion and curing of a resin impregnated tube.
D 790
Standard test methods flexural properties of unreinforced and reinforced plastics and electrical insulating materials.
- Flexural modulus of elasticity exceeds 250,000 psi
- Flexural strength exceeds 4,500 psi
D 638
Standard test method for tensile properties of plastics.
- Tensile strength exceeds 3,000 psi
For the complete ASTM designation, please contact:
The American Society for Testing and Materials
100 Barr Harbor Drive
West Conshohocken, PA 19428
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