Geogrid for reinforcing tunnel and mine vaults

Tenax FR 270 is a biaxial geogrid made entirely of extruded fire-retardant polypropylene, designed to protect vaults in mining environments.
It is designed to intercept and retain small pieces of material that have broken away, contributing to operator safety during excavation work.

Thanks to its light weight and ease of handling, it reduces installation times by up to 50% compared to traditional electro-welded mesh, resulting in lower installation costs and reduced handling risks.

Main technical features:

  • Tensile strength MD: 21.9 kN/m
  • Tensile strength TD: 21.9 kN/m
  • Reinforced version available (MG 370):

        – MD: 25.0 kN/m     
        – TD: 23.0 kN/m

  • FRAS classification: Complies with MSHA CFR 30, Part 7 requirements
  • Material: polypropylene with flame retardant additive integrated in extrusion
  • Roll width: up to 4.50 m
  • Reduced installation time: up to 50% compared to metal reinforcement
  • Flexible and adaptable to rock irregularities, FR 270 guarantees continuous and reliable containment, offering a corrosion-resistant and non-conductive alternative to traditional metal systems.
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