作者: Tetsuro Uchimura , Nobukazu Shimada
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摘要: Disclosed is a leukocyte removal filter that comprises non-woven fabric containing polybutylene terephthalate fiber, wherein the average fiber size of 0.9-1.5 µm, texture index corresponding to thickness 0.3 mm 15-70, and relational expression (1) satisfied: Y=-0.65 × X + 1.75 ... represents fabric; Y specific surface area fabric.