Water and gas permeability

The ability to meet or exceed the specifications set by regulators is critical for any lining system.

A Teranap system has water permeability of 10ˉ¹⁴ m/s as per ASTM E96 (meeting the NSW EPA requirements).

Its gas permeability is < 2.76 x 10⁻⁶ m³/m²/j as per ASTM D 1434-82 (meeting the standards for methane barriers in the US.)

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