Unverified85% confidenceDecision RuleTime unknown
弹力西装的弹性主要来自氨纶（含量2%-5%为宜），氨纶＜1.5%弹性感弱，＞6%易导致面料回弹变形、久穿后膝盖袖肘鼓包变松垮
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified领口/袖口/下摆罗纹的弹性回复力决定耐穿度，优质罗纹含2-5%氨纶，反复穿脱不松垮变形83% similarUnverified含氨纶/莱卡比例15%-20%的护腕弹性回弹好、贴合不勒手；氨纶＜10%易松垮，＞25%初期过紧且久戴勒出印痕79% similarUnverified弹力氨纶含量超过10%会牺牲挺括感和垂坠度，导致膝盖处易鼓包变形，正装场合氨纶控制在3-6%为佳78% similarUnverified领口是否耐穿看氨纶含量与罗纹密度：领口罗纹应有5%以上氨纶且回弹快，用手撑开松手立即回位的不易松垮变形77% similarUnverified脚口罗纹的弹力优先选氨纶含量3-8%的棉氨罗纹，纯棉罗纹易松垮失去防滑作用，氨纶过高（>10%）则回弹过紧勒脚踝76% similar
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