Unverified85% confidenceFactTime unknown
保温性能看真空层工艺，容量500ml的杯子标称6小时后水温≥55℃为合格，≥65℃为优秀；标注12小时保温的通常起始水温需95℃满水实验室数据，实际使用会打折扣
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Unverified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92% similarUnverified真空保温杯的保温时长与容量强相关：同等工艺下500ml款6小时通常仍有60℃以上，而300ml小容量因散热面积占比大，同样6小时可能降至45℃以下90% similarUnverified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90% similarUnverified保温杯真空层性能看6小时保温测试值：优质保温杯95℃热水6小时后应≥65℃，若商家标注1小时保温多为噱头，需看6小时以上数据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% similar
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