FIELD: hermetic based on law molecular siloxane rubber, in particular sealing composition.
SUBSTANCE: invention relates to sealing composition vulcanized by reaction with air moisture. Claimed rubber-based composition comprising zinc oxide, ethyl silicate, and diethylaminomethyltriethoxysilane, contains additionally pulverized grinded quartz. As a variant hermetic also contains chalk and/or dolomite. Composition of present invention is useful in sealing of various conjunctions operating in wide temperature limits where oil and gasoline resistance is required.
EFFECT: hermetic with low-cost components and excellent in operating characteristic.
1 cl, 2 tbl, 7 ex
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