Unverified75% confidenceDecision RuleTime unknown
深色(藏青、深蓝、酒红)免烫衬衫需关注色牢度,认准染色牢度≥4级,否则前几次洗涤易掉色染白色内搭;浅色衬衫免烫工艺不影响耐洗牢度,风险更低
1
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75%
Confidence
Long-term
Relevance
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Unverified深色(藏青、黑、深蓝)免烫衬衫首次单独洗涤,因涤纶混纺+免烫树脂可能影响染色牢度,深色与浅色务必分开洗;选购时认准色牢度≥3-4级(GB/T 3920标注)避免褪色染白衬衫94% similarUnverified深色(藏青/黑/深紫)免烫衬衫要看色牢度,耐水洗牢度应达4级以上,否则前几次洗涤易掉色染白衣;深色衬衫务必单独或同色系分开洗,避免与浅色混洗93% similarUnverified深色(藏青、黑、酒红)免烫衬衫需关注色牢度:优质产品耐洗色牢度应达到4级以上(ISO标准),劣质深色衫头几次水洗易掉色染白色内搭。首次购买深色衫建议单独手洗1-2次观察是否褪色93% similarUnverified深色/鲜艳色免烫衬衫看色牢度指标:耐水洗色牢度应≥3-4级,耐摩擦色牢度≥3级;藏青、深蓝等深色系与浅色衣物混洗易染色,建议前3次单独手洗93% similarUnverified深色衬衫(藏蓝/黑/深灰)优先选活性染色工艺,色牢度4级以上洗后不易褪色;浅色白衬衫反而要关注面料是否含增白剂,长期洗涤易泛黄93% similar
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