| 摘要 |
The invention concerns an impregnating product comprising a carrier fluid, a filler and an impregnating agent, such as a silane polyether, designed to promote impregnation of the product in a porous substrate. The invention also concerns an impregnating method using said impregnating product and the resulting substrates, such as a fused salt process electrolytic cell for producing aluminium. The invention enables to facilitate impregnation of a substrate and reduce significantly impregnation time.
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