Unverified88% confidenceDecision RuleTime unknown
纸张选择无酸纸(acid-free)或棉浆纸(如Hahnemühle、Arches),克重≥250gsm,可保证50年以上不泛黄脆化;普通铜版纸/胶版纸5-10年即会发黄变脆
1
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88%
Confidence
Long-term
Relevance
-
First Seen
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