| 摘要 |
FIELD: rubber industry. SUBSTANCE: rubber compound contains, wt.parts: fluoroelastomer SKF-26, 66-68; low-molecular fluoroelastomer SKF-26 ONM, 32-34; magnesium oxide, 6-10; barium sulfate, 26-30; calcium hydroxide, 5-7; carbon black, T-900, 20-26; di(4-hydroxyphenyl)dimethylmethane, 0.8-1.0; triphenylbenzylphosphonium chloride, 0.2-0.4; and dispersant (perfluoropelargonic or 9-chloroperfluoropelargonic acid anilide), 0.15-0.25. Compound can be used for manufacturing rings, inserts, sleeve gaskets, sealing glands, and parts operated at temperatures up to 200 C. EFFECT: lowered viscosity and improved dispersibility of compound components. 5 tbl, 3 ex |
