| 摘要 |
PURPOSE:To improve the medicine resistance and flexibility by applying perfluoro elastomer film at least onto the contact face with fluid on seal member body. CONSTITUTION:Perfluoro elastomer film 4 is applied at least onto the contact face with fluid 2 in said face 2 or the rear face 3 of seal member body 1. Consequently, the seal member body 1 can be protected from medicines through perfluoro elastomer film having excellent medicine resistance to achieve cost reduction because relatively inexpensive synthetic rubber can be employed as the material of seal member body 1. While since perfluoro elastomer has high resiliency, it can follow resilient deformation of seal member body thus to cause no peeling of film. |
