| 摘要 |
chemical technology, more particularly sealants for joint of metallic structures, namely tubular, threaded joints for members of air, water pressure, and gas pipelines and air conditioners at elevated temperatures and pressure. SUBSTANCE: composition comprises, wt parts: elastomer with high adhesiveness such as cyclorubber, 100; filler is low-pressure polyethylene or polypropylene, 10-50. Elastomer is butadiene cyclorubber, ethyl alcohol, 10-13. EFFECT: reliable air tightness during manufacture for prolonged period of service technological effectiveness during manufacture and use, adequate sanitary standards of living space and ecology of environment. 3 cl, 2 ex
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