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请问塑料保温杯子经常装开水喝有毒吗？为什么呢？

请问塑料保温杯子经常装开水喝有毒吗？为什么呢？

浏览：51次 | 提问时间： 07-23 10:32

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大叔我爱你的小胡渣 07-23 10:33

不锈钢保温杯由内外双层不锈钢制造而成，利用焊接技术把内胆和外壳结合在一起，再用真空技术把内胆与外壳的夹层中的空气给抽出来以达到真空保温的效果。具有保温性能好、自重轻、防破裂、防腐蚀、抗挤压、耐热急变性能好、使用卫生方便等诸多优点。正规的不锈钢保温杯的内盖是用pc料制作而成，这种PC料放在开水里面煮是没有味道，不会变形。胶圈是用硅胶为原料，也是无毒材料的。选择了正规的不锈钢保温杯喝水是没有毒，但是如果不锈钢保温杯装的不是开水，而是茶或牛奶、豆浆等物质的时候，大家就得谨慎饮用了。茶叶中含有大量的鞣酸、茶碱和芳香油，还含有多种维生素，如果用保温杯沏茶，茶叶会长期浸泡在高温的水中，会大大降低了茶本来的营养价值，使茶叶无香味而呈苦涩的味道，茶水中有害物质也会增多。而这种保温杯冲牛奶的话，会导致细菌每20分钟就能繁殖一代，3-4小时后就可使牛奶变质。另外，保温杯中恒定的温度，可破坏牛奶中的维生素等，也会直接影响身心的健康。

点缀黑白色的兔斯基 07-23 10:41

喝水首选无彩釉涂染的陶瓷杯，尤其是内壁要无色。不仅材质安全，能耐高温，还有相对较好的保温效果，喝热水或喝茶都是不错的选择。玻璃杯虽然不含化学物质，且易于清洗，但因为玻璃材质导热性强，容易令使用者不慎烫到自己，如果水温过高，还可能导致杯子爆裂，需尽量避免盛装热水。受到许多人喜爱的塑料杯，虽然造型多变且抗摔打，但塑料本身具有很多安全隐患，最好不要用来装热水，以防有毒物质遇热稀释到水中。选购塑料杯时，也一定要选择符合国家标准的食用级塑料所制的水杯。金属材质的杯子，如不锈钢等，价格较陶瓷杯子要贵。搪瓷杯构成中含有的金属元素通常状况下比较稳定，但在酸性环境下，有可能溶出，用于喝咖啡、橙汁等酸性饮料并不安全。一次性纸杯只是看起来卫生、方便，其实产品合格率无法判断，是否干净、卫生，用肉眼也无法辨识。从环保的角度来讲，还是应该尽可能少用一次性纸杯。五颜六色的杯子很吸引人，但最好别用。这些杯子藏着巨大的健康隐患，当杯中盛入开水或者酸、碱性偏高的饮料时，颜料中的有毒重金属就容易溶解在液体中，导致人体伤害。

关键我有胸器 07-23 10:50

长期用塑料杯子喝水不是很好，因为塑料里面含有一些有机化合物，而这些可能有毒，且有刺激性气味!可能致毒或癌!如果喝冷水问题不大，如果喝热水甚至开水，就不是很好。因为塑料遇高温会发生反应，释放有毒物质。在选购塑料杯时，一定要选择符合国家标准的食用级塑料所制的杯好是好，但要注意杯子的质量。质量不好材料不好的杯子不能用。因为质量不好的杯子在某些作用下会产生毒素，危害身体健康!最好用正规厂家生产的塑料杯，并带环保标识的那种，建议用来接冷水，不要用来泡茶或者较高温度的热水

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请问塑料保温杯子经常装开水喝有毒吗？为什么呢？

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