Unverified90% confidenceDecision RuleTime unknown
纯棉麻面料裁剪前必须预缩水（下水浸泡后阴干再裁），未处理棉麻缩水率普遍3%-8%，成品洗后会明显变紧变小
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90%
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Long-term
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Unverified纯棉或高棉含量无痕内搭缩水率通常达3%-8%，多次水洗后尺码变小、无痕切口反而卷边，选购需大一码或优先选缩水率低于3%的锦纶混纺款88% similarUnverified纯棉天然缩水率3-8%，预缩处理（防缩整理）工艺可控制在3%以内；未预缩的纯棉建议首洗前买大一号或首次冷水下水88% similarUnverified水洗棉工艺使面料出厂前已经过预缩处理，洗后缩水率低于普通棉T恤，尺码稳定性较好。87% similarUnverified纯棉童装缩水率通常在3%-8%，标注'预缩处理'或'水洗棉'的缩水率可控制在3%以内，选购常规纯棉应比实际尺码大买一码预留缩水空间87% similarUnverified查看吊牌缩水率标注，优质预缩处理产品缩水率应≤3%；无标注或标注＞5%的纯棉内衣首次洗涤后可能明显缩小一码87% similar
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