Unverified90% confidenceFactTime unknown
真空层是否达标看官方标注的保温测试标准：GB/T 29606要求500ml壶6小时后水温≥68℃（初始95℃）为合格，优质壶12小时仍能保持50℃以上
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Unverified真空保温性能看6小时保温标称：500ml壶身6小时后水温≥55℃为合格，≥65℃为优秀，低于50℃说明真空层工艺差89% similarUnverified真空保温杯的6小时保温测试标准：初始95℃热水6小时后应≥65℃为合格，优质产品可保持在75℃以上；标注保温24小时的产品通常指6小时后仍高于40℃，并非全程恒温89% similarUnverified6小时保温后温度≥50℃为合格线，优质真空杯6小时可维持60℃以上；实测标注一般是初始水温95℃、室温20℃，选购时看清测试条件88% similarUnverified真空保温杯的保温性能看6小时保温值：容量500ml内、6小时后水温≥55℃为合格线，≥65℃为优秀，低于50℃说明真空层做工差88% similarUnverified判断真空保温性能看官方6小时保温数据：装95度水6小时后仍≥65度为合格标准，≥70度为优秀，低于60度说明真空层做工较差86% similar
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