Unverified78% confidenceFactTime unknown
购买时用手压后观察回弹速度可初判蓬松度：优质高蓬松羽绒按压后能快速回弹恢复原状，回弹慢或压不起来说明填充物含绒量低或以毛片为主
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Unverified购买时可用手按压回弹测试蓬松度：优质高蓬松羽绒按压后能快速回弹恢复原状，回弹慢或塌陷说明蓬松度低或掺有过多羽毛梗91% 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88% 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'84% 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83% similarUnverified面料回弹性看'回复率'——拉伸后能快速复原不松垮的属于优质弹力面料；廉价面料多次拉伸后膝盖处会鼓包变形，判断方法是看面料克重与氨纶配比，克重200-280g/m²且含氨纶的双面弹面料回弹表现较好82% similar
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