Unverified75% confidenceFactTime unknown
纯棉内衣经60次以上洗涤后缩水率应控制在≤5%（GB标准），选购时可预留一码防缩水；高温烘干和漂白剂会加速纤维老化和色牢度下降，婴儿内衣建议低温晾晒
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75%
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Long-term
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