Unverified80% confidenceDecision RuleTime unknown
硫化黑（sulfur-dyed black）牛仔裤比活性染料黑更容易随水洗逐渐褪成灰黑，若要长期保持纯黑，选择标注'over-dye'或'coating'涂层工艺、或含少量涤纶混纺锁色的款式
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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Unverified黑色基础外套优先选纯黑或深炭黑，避免带蓝光或褪色发灰的'假黑'——含棉高的染色布3-5次洗涤后易泛白，深色系建议选择涤纶混纺或经过硫化染色工艺的面料以维持黑度84% similarUnverified黑色易掉色泛灰，不要买标称『水洗黑』但无固色工艺（无『硫化黑染色』或『冷染』标注）的低价裤，几次洗后就发灰失去高级感83% similarUnverified浅色（浅灰、卡其、米色）防污西裤即便有涂层也难掩渗色和汗渍，易脏环境应首选藏青或深灰，黑色虽百搭但反复水洗后易泛旧褪色发白81% similarUnverified深灰/藏青/卡其等中深色比纯黑更耐脏耐看：纯黑虽掩盖油污但易显灰尘、毛絮和洗后泛白痕；浅色卡其配合防污涂层反而比无涂层黑裤更实用81% similarUnverified纯黑T恤在户外强光下和多次洗涤后最易显旧褪色，若日常暴晒或高频清洗，选深灰(炭灰)或藏青比纯黑更耐看耐脏、色差更宽容81% similar
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