| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid plug for storage battery provided with a filter therein which is formed of a high-molecular porous molded body excellent in holding water-repellent effect. SOLUTION: The liquid plug for storage battery with the filter provided therein is characteristic in that the filter is made of the high-molecular porous molded body and comprises mixture of a polypropylene resin (PP resin) and another resin, or copolymer polypropylene resin alone or mixture of copolymer polypropylene resin and another resin. COPYRIGHT: (C)2004,JPO
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