| 摘要 |
PURPOSE:To provide the objective boot excellent in abrasion resistance and nonstickiness. CONSTITUTION:Seal boots 11 and 12 for sealing the gap between an outer ring and an intermediate shaft are formed from a lubricating rubber compsn. comprising a thermoplastic fluororesin as a first essential component, a fluororubber as a second essential component, and a low-mol.-wt. fluoropolymer as a third essential component. |
