保温杯盖发热正常吗?你们的保温杯该是否也一样会发热

2025-03-15 13:20:29
推荐回答(5个)
回答1:

保温杯盖发热是正常的。

保温杯的优劣鉴别小技巧:

1、内胆保温性鉴别

这是保温杯的主要技术指标,装满开水后,顺时针旋紧瓶塞或杯盖,待2~3分钟后用手触摸杯身外表和下部,如果发现杯身和杯身上部有明显的温热现象,则说明内胆已经失去真空度,不能达到良好的保温效果。

2、鉴别密封性能

装满一杯水倒置四、五分钟,把盖旋紧,把杯平放在桌面,或用力甩几下,如无渗漏现象,则说明密封性能好;此外还要看看杯盖与杯口的旋合是否灵活、是否存在间隙。

3、配件环保性鉴别

塑料配件的环保性也是值得关注的问题,可以通过闻味来鉴别,假如杯子是用食品级塑料制作,则气味较小、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则气味大、色泽灰暗,毛刺多、塑料易老化容易断裂。

4、不锈钢材料鉴别

不锈钢材料规格很多,其中18/8表示此不锈钢材料成分含18%铬,含8%的镍,达到此标准的材料,符合国家食品级标准是绿色环保产品,产品防锈且耐腐蚀。如果是采用普通不锈钢杯制作的杯体,色泽发白和发暗,如果放入浓度1%的盐水浸泡24小时后会产生锈斑,则说其所含的部分元素超标,将会直接危害人体的健康。

回答2:

保温杯也分优良差的,差的保温性能比较差,杯体都会发烫,良的保温杯盖处会发烫,属正常现象,只要杯体不发烫,优的保温性能好,杯子何处都不发烫的,如,膳魔师,你买一个试试就明白了

回答3:

不正常,这样会把热量散掉

回答4:

发热说明保温性能差吧。

回答5:

一个人

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