| 摘要 |
Two-part room-temperature vulcanizing silicone dental impression compositions are provided which, before curing, consist essentially of a metallic salt of a monocarboxylic acid as a catalyst and a base compound. In one embodiment the base compound consists of a fluid diorganopolysiloxane, an organosilicon cross-linker and a unique filler combination of an admixture of zinc oxide, calcium carbonate and pumice. In another embodiment, the base compound consists of a fluid diorganopolysiloxane, an organosilicon cross-linker, mineral oil and a low oil absorption calcium carbonate filler.
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