摘要 |
PROBLEM TO BE SOLVED: To provide a filter excellent in chemical resistance and heat resistance. SOLUTION: The filter includes fibers (A) comprising a polyamide (a) synthesized from a dicarboxylic acid component wherein 60 mol% or more is an aromatic dicarboxylic acid and a diamine component wherein 60 mol% or more is a 6-12C aliphatic alkylene diamine.
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