| 摘要 |
PROBLEM TO BE SOLVED: To provide a polymer member which exhibits resistance to DME and LPG, can be commonly used for DME and LPG, and maintains excellent sealing performances. SOLUTION: The dimethyl ether-resistant polymer member arranged at places brought into contact with dimethyl ether gas or liquid comprises a rubber member which is impregnated with a lubricating oil having a bivalent perfluoroether structure in the main chain or with a grease comprising the lubricating oil as a base oil. COPYRIGHT: (C)2005,JPO&NCIPI
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