| 摘要 |
PROBLEM TO BE SOLVED: To provide a cartridge filter using a hydrophilic microporous precision filter membrane which is adequately usable for manufacturing processes, etc., of semiconductors, medical supplies, etc., and is excellent in chemical resistance. SOLUTION: The filter cartridge for precision filtration is formed by consisting all of the microporous filter membrane, membrane supports, a core, an outer peripheral cover and end plates constituting the filter cartridge of polysulfone-base polymers.
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