Bentonite Membrane
A membrane containing sodium bentonite that swells on contact with water to form a seal. It can self-seal small punctures; to work, it must be confined by soil pressure and protected from premature wetting during installation.
A membrane containing sodium bentonite that swells on contact with water to form a seal. It can self-seal small punctures; to work, it must be confined by soil pressure and protected from premature wetting during installation.
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