Unverified80% confidenceDecision RuleTime unknown
判断回弹性可做'拉伸回复测试'：横向拉伸面料后松手，优质氨纶面料应立即回弹无横向褶皱和白痕，回弹慢或留痕说明氨纶含量不足或已老化
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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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82% similarUnverified判断蓬松度真实性可做手感测试：优质羽绒压缩后能快速回弹，回弹越快蓬松度越高；按压后长时间不回弹或结块说明含绒量低或掺杂羽丝82% similarUnverified判断弹力恢复性的简单测试：捏住面料拉伸后松手观察，优质双向弹力面料应快速平整回弹无褶皱残留，回弹慢或留印说明弹性纤维配比或织法不佳82% 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'81% 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81% similar
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