Cetco Waterstoppage 25kg Sodium Bentonite
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Waterstoppage is chemically treated, granular sodium bentonite used as a detailing accessory product for CETCO Waterproofing systems. When wetted, Waterstoppage forms into a dense, low permeable material that combines with the sodium bentonite in the waterproofing products to form a seamless waterproofing membrane.
Mineralogical composition of Waterstoppage is a minimum 90% Montmorillonite with a maximum 10% native sediments and unaltered volcanic ash. typical sieve analysis is 90% through a 20 mesh sieve and 10% through a 200 mesh sieve.
Free swell rating is: two grams sifted into de-ionized water swells to occupy a minimum volume of 16 cc.
May also be used as inexpensive premium grade cat litter.
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