Unverified87% confidenceDecision RuleTime unknown
领口紧度看罗纹密度与含氨纶量：优质领口为双层螺纹罗纹并含2-5%氨纶，回弹好不易松垮；纯棉无弹力领口洗3-5次后大概率塌陷变形，选购时用手撑开领口能快速回弹为合格
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87%
Confidence
Long-term
Relevance
-
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Unverified耐洗不变形关键看领口和袖口螺纹的克重与回弹，好的螺纹反复拉伸后能迅速恢复；含2%-3%氨纶的螺纹领口比纯棉领口洗后更不易松垮变宽89% 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88% similarUnverified袖口下摆罗纹的弹性与回弹力直接决定卫衣使用寿命，选含2-5%氨纶的螺纹（1x1或2x2罗纹）比纯棉罗纹更抗松垮，纯棉罗纹洗几次后易变形松开85% similarUnverified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83% 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82% similar
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