[KongchangAI]
Unverified86% confidenceFactTime unknown

活性染料上色前需将天然布料浸泡在纯碱溶液(约30g/L)中10-15分钟再拧干染色,这是决定成品鲜艳持久度的关键步骤,缺少固色剂的套装成品牢度会显著下降

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86%
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Long-term
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