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Question:

400g / m2 two cloth a layer of water permeable geotextile technical requirements

400g / m2 two cloth a layer of water permeable geotextile technical requirements

Answer:

Two cloth a film will not be permeable, the composite film index breaking strength 5kn top broken 1.1kn tear 0.15kn peel 6n / cm or substrate fracture without stripping, the current 2008 standard weight has not been required, the original standard For not less than 360 grams

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