Unverified80% confidenceDecision RuleTime unknown
机洗领带务必确认色牢度≥4级（GB/T或AATCC标准），深色（藏蓝、酒红、黑）与浅衬衫混洗易染色，低色牢度产品应单独手洗或装入网袋分色洗
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified深色/艳色免烫衬衫看色牢度标注，摩擦色牢度≥3-4级、水洗色牢度≥4级才不易掉色染白，浅蓝、白色等经典色最稳妥，深藏青初期建议单独洗85% similarUnverified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85% similarUnverified深色(黑/藏蓝/酒红)职业裙认准色牢度≥4级，尤其含粘胶或深染面料，摩擦色牢度差会蹭染浅色衬衫、内衣和皮肤，购买时可看吊牌GB/T标准或问商家水洗牢度等级84% similarUnverified深色（藏青、黑、酒红）免烫衬衫认准色牢度≥4级，否则前几次洗涤易掉色染白色内衣；反复水洗的通勤款优先选浅色或已做过预缩固色处理的84% similarUnverified色牢度按GB/T标准分1-5级，4级以上为合格耐洗，深色校服建议选耐水洗、耐摩擦色牢度均≥4级的产品，否则易掉色染白衣或退色发旧84% similar
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