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怎么检查保温杯有害吗

更新时间: 2020-11-03 00:00:00     

塑料配件识别法:食品级新塑料特点:气味小、表面光亮、无毛刺、使用寿命长不易老化。普通塑料或回收塑料的特点:气味大、色泽灰暗、毛刺多、塑料易老化容易断裂。这不但会影响使用寿命,还会影响饮水卫生。

保温杯(Vacuumcup)一般是由陶瓷或不锈钢加上真空层作成的盛水的容器,顶部有盖,密封严实,真空绝热层能使装在内部的水等液体延缓散热,以达到保温的目的。保温杯从保温瓶发展而来的,保温原理与保温瓶一样,只是人们为了方便把瓶做成杯。

关键词: 怎么 检查 保温杯 有害

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