Provided are: single-layer or multilayer nonwoven fabric of long polyester fibers which is excellent in terms of transparency, dimensional stability, powder leakage property, and component extraction property; and a filter for foods which comprises the nonwoven fabric. The single-layer or multilayer nonwoven fabric of long polyester fibers according to the present invention has a content of inorganic particles of 0-100 ppm and a 10%-cumulation pore diameter less than 1,000 µm, the difference between the 10%-cumulation pore diameter and the 2.3%-cumulation pore diameter being 500 or less, and has a basis weight of 10-30 g/m2.
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机译：提供：长聚酯纤维的单层或多层无纺布，其透明性，尺寸稳定性，粉末泄漏性和成分提取性优异。包括无纺布的食品用过滤器。本发明的长聚酯纤维的单层或多层无纺布的无机粒子含量为0〜100ppm，10％累积细孔径小于1,000μm，10％累积细孔之差。直径和2.3％累积孔径小于或等于500，单位面积重量为10-30 g / m 2 。
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