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Question:

What materials are used in the upper layer of the protective layer of geomembrane? ? Why don't you use clay?

nan

Answer:

Compare to geotechnical cloth, clay has poor performance, so we use geotechnical cloth more as upper reaches of the protective layer.
Use geotextile as protective layer, because the geotechnical cloth and the geomembrane all have the resistance to acid, alkali, and corrosion, and have service life of more than 50 years, it can protect the geomembrane better.

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