保温杯与隔热杯有什么本质上的区别 保温杯的选购技巧

2025-04-07 03:20:48
推荐回答(1个)
回答1:

保温杯与隔热杯有哪些区别:
1、结构不同
保温杯,由陶瓷或不锈钢+真空层作为盛水容器,密封严实,绝热层能使液体延缓散热,达到保温目的。保温杯的隔热功效是杯子不烫手,且保证水与空气进行隔离,从而达到保温的作用。
隔热杯,包括:内杯和杯底。顶部不一定有盖子。隔热杯,指内杯外设有外套杯,预防杯中的水不烫手。具有保温、隔热的双重功效。
2、保温原理不同
保温杯,类似暖瓶,为了保持液体热或冷几个小时,根据杜瓦保真瓶原理制造的圆柱形容器。隔热杯,真空内胆结构,把两层杯壁之间密封,并抽成近似真空,热传导下降,起到保温作用。
3、用途不同
保温杯,用来喝白开水,不宜用来泡茶、咖啡等酸性物质;隔热杯,除了真空保温杯外,像陶瓷杯、玻璃杯、食用级塑料杯等用来泡茶或盛装饮品,且隔热杯被应用于咖啡杯的制作。
保温杯的选购技巧:
市场上的不锈钢保温杯很多,价格差异大,对部分消费者来讲,往往买不到称心如意的产品。怎样才能买到高质量的真空保温杯呢?
一、看内胆及外胆表面抛光是否均匀,是否有碰伤、划伤疵病;
二、口部焊接是否平滑,这关系到喝水时是否舒适;
三、看塑件质量差。不但影响使用寿命,还影响饮水卫生;
四、看密封是否严密。螺塞和杯体是否合适。旋入旋出是否漏水。选购时不能按标准检查,但可凭手感

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