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FAQs

Geotechnical Anti-seepage Product
  • Q
    Are there international standards or specifications for geomembranes?
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    A
    Yes, ASTM, ISO, and GRI (Geosynthetic Research Institute) standards provide guidelines for testing and performance.
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  • Q
    How thick should the geomembrane be?
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    A
    Common thicknesses range from 0.5 mm to 3.0 mm, depending on application requirements and site-specific conditions.
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  • Q
    What factors should be considered when selecting a geomembrane?
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    A
    Key factors include chemical resistance, mechanical strength, UV resistance, site conditions, expected service life, and installation method.
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  • Q
    Is it safe for drinking water or sensitive environmental applications?
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    A
    Yes, certain geomembranes are certified safe for potable water use and meet environmental regulations like NSF or GRI-GM standards.
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  • Q
    How long does a geomembrane last?
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    A
    Depending on the material and environmental conditions, service life can range from 30 to over 100 years.
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  • Q
    Why should I choose a geosynthetic barrier instead of traditional clay liners?
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    A
    Geosynthetics offer superior impermeability, faster installation, reduced thickness requirements, and higher chemical resistance compared to traditional compacted clay liners.
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  • Q
    What is a geomembrane?
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    A
    A geomembrane is a synthetic membrane liner or barrier used to control fluid migration in a wide range of civil, environmental, and industrial applications.
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