What is the best solvent for removing bentonite clay?

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For removing sodium bentonite from porous surfaces, using a solvent other than water is recommended due to its high hydration properties. While heat can dehydrate bentonite, it may not be effective for complete removal. The discussion highlights the need for effective solvents that can break down bentonite without relying solely on water. Users are encouraged to explore various solvents that can effectively dissolve or loosen the bentonite for easier removal.
cseal
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Hello,

Can anyone recommend a good solvent for sodium bentonite? I have used it as a sealant, and I need to remove it. Would it be better to dehydrate it with heat before trying to dissolve it?
 
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Thanks for the reply. I have bentonite on a porous surface, and I wish to remove it. I have already washed the surface, but there is still a layer of bentonite. Bentonite can become very hydrated, so I need to use a solvent other than water.
 

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