Backfill Materials The type of backfill used in a groundbed depends on whether the cathodic protection system is sacrificial or Chemical backfills The chemical backfill used with galvanic anodes provides an environment which is conducive for anode dissolution A typical mixture is 75% powdered gypsum calcium sufate 20% granular bentonite and 5% sodium sulfate
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Get PriceBuy high quality Gypsum Bentonite Granular by Maryline International Trading Supplier from United Arab Emirates Product Id 1150068 It is these bleaching properties that make it useful and different from other materials Bentonite because of it having such unique bleaching qualities has been named as Bleaching clay
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Get PriceThe montmorillonite / smectite making up bentonite is an aluminium phyllosilicate mineral which takes the form of microscopic platy grains These give the clay a very large total surface area making bentonite a valuable adsorbent The plates also adhere to each other when wet
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