[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

甲醛必须符合GB 31701婴幼儿A类标准(甲醛≤20mg/kg、pH值4.0-7.5、无可分解致癌芳香胺染料),购买时要求商家出示A类检测报告,仅标‘环保材料’无检测无效

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