Unverified80% confidenceFactTime unknown
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
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80%
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Long-term
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Unverified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'91% similarUnverified面料回弹性差（洗几次后松垮）的判断：手拉伸后松开是否立刻回位；含锦纶（尼龙）的比纯涤纶回弹更持久，纯棉+氨纶款塑形力会随穿着次数快速衰减87% similarUnverified领口回弹性优先于弹力大小：反复拉伸后能恢复原状（含氨纶/弹性纱2%-5%）的领口，洗几次后不松垮；纯棉罗纹领虽软但易越洗越大导致漏风87% similarUnverified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84% similar
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