| 摘要 |
FIELD: rubber composition for production of cup-type seals. ^ SUBSTANCE: claimed butadiene-nitrile rubber composition contains (mass pts): powdered fluoroplastic as antiwear additive 10-18; sulfur 2.5; altax 2.7; zinc white 7.5; diphenylguanidine 0.25; aldol-alpha-naphthylamine 4.0; neozone D 1.0; furnace carbon black 120; dibutilsibacinate 20; santoflex IP 1.0; stearic acid 1.0. ^ EFFECT: cup-type seals with increased abrasive resistance, durability and reduced friction coefficient. ^ 3 tbl |
