[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

防水强度越高的产品透气性通常越差,用于外墙时若阻断墙体内部水汽外排,反而可能导致墙体内潮湿霉变,外墙应选透气型(允许水汽逸出的憎水剂)

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75%
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Long-term
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