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water proofing

Sodium bentonite has the capability of absorbing water up to five times of its own weight and swelling up to eighteen times its dry volume when hydrated. When it is hydrated, it forms a colloidal system which is impermeable and insoluble in water.

As such, our bentonite line of Granular Seal and Bentonite Powder make the perfect materials for waterproofing.

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