Drinking hot water from a stainless steel cup is not toxic. As long as there is a national product certification, especially a stainless steel cup that meets the 304 food grade standard, it is non-toxic to drink hot water; but if it is some inferior stainless steel cup, it often contains some heavy metals. Drinking hot water is dangerous.
Stainless steel cups are alloy products. Improper use will release heavy metal substances contained in them, which is harmful to health. However, in daily life, it will not produce toxic substances when used for hot water. Many vacuum flasks on the market are made of stainless steel.
Stainless steel is made of iron-chromium alloys mixed with nickel, platinum, titanium and other metal elements. Although these elements are all necessary for the human body, they are all trace elements that the human body needs. If they accumulate too much in the human body, it will cause harm to the body, ranging from metal poisoning, resulting in memory loss, mental decline, malaise, and heavy metal poisoning. life-threatening.
Inferior stainless steel cups may contain excessive metal elements, and using it to drink hot water may cause mild poisoning.
When using stainless steel cups, you should also pay attention not to hold acidic drinks, such as fruit juice, coffee, acidic drinks, etc., because acidic drinks are prone to precipitation of heavy metals, so even if they are used to drink ordinary water, it may not be safe.
And also remember not to use strong oxidizing soda, bleaching powder and other materials to clean stainless steel cups, these substances are also prone to chemical reactions with stainless steel cups