| 摘要 |
A method of imparting water repellency to a gypsum-based product formed from a plaster-based composition, includes adding to the composition at least one compound including a polysiloxane and at least one compound comprising a pregelled starch. A hydrophobicized, plaster-based composition including a polysiloxane and at least one compound comprising a pregelled starch, and its uses are also disclosed.
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