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304 stainless steel for stainless steel thermos bottle

In daily life, people like to buy a stainless steel thermos bottle to store drinking water, which is convenient to carry when they go out. At the same time, many people may notice that 304 stainless steel material is written on most product packaging boxes when purchasing stainless steel thermos bottles. Many people do not know the characteristics of this material or the advantages of using this material. Today, the author introduces the characteristics of 304 stainless steel in detail:

304 stainless steel is a brand of stainless steel produced in accordance with ASTM (American Society for testing and materials) standard. This kind of steel has good corrosion resistance and heat resistance, and is widely used in industrial chemical and food processing equipment. The reason why 304 stainless steel can prevent rust is that there is a dense oxide film on the steel surface, which can isolate oxygen contact, prevent continuous oxidation and prevent rust.

Some people say that drinking water with stainless steel will lead to heavy metal poisoning, which can not be generalized. Heavy metal poisoning is caused by the accumulation of some metal elements with atomic mass greater than copper in the body. In addition to molybdenum, the quality of other elements in stainless steel is less than that of copper, and Mo (molybdenum) content in 304 steel is the least, so drinking water from a water cup made of 304 stainless steel does not need to worry about heavy metal poisoning.

Finally, the author here gives a little hint: when buying stainless steel thermos bottle, consumers must see clearly, and they must buy a brand with complete qualifications and clear labels. The material cost and manufacturing cost of 304 stainless steel are not low, so when you see the very cheap stainless steel thermos bottle, you must be vigilant.

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