Unverified75% confidenceFactTime unknown
颜色耐洗性判断:正规品牌会标注耐水洗色牢度≥3-4级、耐摩擦色牢度≥3级,儿童衣物出汗多、洗涤频繁,色牢度低于3级易褪色掉色污染皮肤
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Long-term
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Unverified色牢度按GB/T标准分1-5级,4级以上为合格耐洗,深色校服建议选耐水洗、耐摩擦色牢度均≥4级的产品,否则易掉色染白衣或退色发旧85% similarUnverified深色/鲜艳色免烫衬衫看色牢度指标:耐水洗色牢度应≥3-4级,耐摩擦色牢度≥3级;藏青、深蓝等深色系与浅色衣物混洗易染色,建议前3次单独手洗82% similarUnverified色牢度直接影响亲子款掉色风险,深色/鲜艳色应认准染色牢度≥3-4级(GB/T 3921),劣质款首次洗涤易染白色童装,选购时可看是否标注色牢度检测报告81% similarUnverified色牢度检测应细分为耐水洗、耐摩擦(干/湿)、耐汗渍、耐光多个子项,报告只给'色牢度合格'而无分项等级(一般要求≥3-4级)时参考意义有限81% similarUnverified国标GB/T 22849对色牢度分级,机洗耐水洗色牢度达到3-4级以上基本不明显掉色染他物;正规品牌吊牌或质检报告会标注该指标80% similar
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