Unverified80% confidenceDecision RuleTime unknown
染色干花(如亮蓝、荧光粉等非自然色)阳光直射下3-6个月即明显褪色发白,选购人工染色花材应避开西晒窗边
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified阳光直射窗台、朝南飘窗不建议摆干花永生花,紫外线加速染色剂分解,3个月内红色系会褪成灰粉、绿色系发黄86% similarUnverified真正的天然干花保留原花枝的自然形态,颜色偏哑光暗调;若花束颜色异常鲜艳饱满(如荧光粉、亮蓝),多为染色或漂白后再上色的干花,光照下褪色更快79% similarUnverified颜色越鲜艳饱和的天然干花越可能是染色处理(非原色),染色花在阳光直射下褪色更快,追求持久色彩应选永生花而非染色干花78% similarUnverified花型完整、颜色自然偏暗黄的为佳;颜色过于鲜艳金黄或统一无杂色的需警惕硫磺熏制或染色,天然干桂花颜色会随存放略变深74% similarUnverified植物染的耐光牢度普遍只有2-3级(国标5级为佳),蓝染(靛蓝)和茶染牢度相对较高,而黄色系(栀子、姜黄)和红色系(茜草、苏木)极易见光变淡,选浅黄浅红款需接受快速褪色74% similar
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