Puncture resistance measures how well a geosynthetic layer resists sharp stones falling on it. The CBR test is common.

Test Method
A steel cone is pushed through the clamped sample at a steady speed. The maximum force before puncture is recorded. Higher values mean better protection for the liner.
Why It Matters
A good geotextile cushion prevents rocks from damaging the HDPE liner. We provide test reports. See our product page or contact us.

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