Unverified78% confidenceDecision RuleTime unknown
黑色T恤易掉色和显褪色泛白，深色应选活性染料/色牢度4级以上，且首次单独冷水洗；反复洗后泛灰是低色牢度信号
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified黑色/深色T恤优先看色牢度，选标注抗UV或活性染色的产品，普通硫化染色的黑T水洗5-10次后明显发灰泛红89% similarUnverified纯黑T恤优先选择硫化黑或活性染料染色工艺，认准洗涤标注「颜色牢度≥4级」，普通直接染料的黑色洗5-8次后会明显泛灰泛红88% similarUnverified该款T恤采用活性染色工艺，深色（尤其纯黑）在多次机洗后普遍反馈有轻微褪色或水洗痕迹，对耐洗色牢度要求极高者不建议选购。87% similarUnverified深色（尤其藏青、黑、深紫）免烫衬衫首次洗涤易掉色，应单独冷水洗前3次；免烫整理与染色叠加会略微影响色牢度。要求耐洗牢度选浅色（白、浅蓝）或成衣染色标注「色牢度4级以上」的产品87% similarUnverified深色T恤（黑/藏青）首选，需确认色牢度：优质染色多次水洗不掉色不泛红，廉价黑色洗几次变灰或掉色染白袜，购买时可查看是否标注'活性染色'87% similar
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