Unverified80% confidenceFactTime unknown
看罗口（下摆和袖口）弹性：优质卫衣罗口含氨纶，拉伸后能快速回弹，劣质罗口洗几次后松垮变形，选购可实测回弹性
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified判断弹力回复性：拉伸下摆或袖口后松手，能立即回弹无褶皱松弛痕迹的为优；氨纶含量相同下，锦纶（尼龙）混纺比涤纶混纺回弹更持久、洗后不易松垮86% similarUnverified罗纹领口/袖口/下摆的弹性和回弹是判断品质的关键——优质款采用高含量氨纶罗纹，久穿不松垮；劣质款罗纹几次水洗后失去弹性、下摆外翻85% similarUnverified罗纹下摆和袖口的紧密度决定版型持久度：选克重高、罗纹紧实（含少量氨纶）的，松垮罗纹洗几次就会失去弹性变形85% similarUnverified判断弹力回复性简易方法：拉伸面料后松手，能快速回弹无残留褶皱和松弛为佳；反复水洗后仍能保持弹性的关键在于氨纶包芯纱工艺而非普通氨纶丝，购买时可查看是否标注'包芯纱'85% similarUnverified下摆和袖口的罗纹（螺纹）密度要够、有回弹，松垮罗纹几次洗后会失去弹性导致下摆张开变形；优质罗纹拉伸后能快速回缩，是卫衣耐穿保型的关键细节84% similar
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