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How to buy and use stainless steel products?

2020-07-25 09:03:22
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Stainless steel has good corrosion resistance, is durable and easy to clean, so many families will choose stainless steel tableware, cooking utensils and other products. However, stainless steel products have a lot of attention to selection, use and care, let's take a look together below.

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For purchasing stainless steel products, 304 steel is recommended.


304 steel (refers to stainless steel with a chromium content of 18% and a nickel content of 8%) is widely used in corrosion-resistant containers, tableware, furniture, railings, medical equipment, etc.


When buying stainless steel products, you must be optimistic about the type of label. There are often three codes of "13-0" (420 steel), "18-0" (430 steel), and "18-8" (304 steel) on stainless steel tableware.



The number before the code represents the chromium content, and the number after the code represents the nickel content. Whether stainless steel pots are safe or not is mainly due to the migration of heavy metals. Generally speaking, the common 304 steel on the market now has less chromium migration.


If you want to use stainless steel products healthily, you need to pay attention to the following points when using:


1. Stainless steel products should not be used for long-term storage of meals containing salt and acid.


Stainless steel has good stability and corrosion resistance, but it does not mean that it will not be corroded or rusted. If salt, vinegar, etc. are stored in stainless steel products for a long time, it will cause rust or "trachoma" on the surface. It is recommended that households use stainless steel products to store such items.


2. Do not use stainless steel products to decoct Chinese herbal medicines.


Chinese herbal medicines have complex ingredients, and most of them contain a variety of bioalkali and organic acids. When heated, it is easy to chemically react with certain components in stainless steel, which reduces the efficacy of the medicine, and may even generate some more toxic substances.


3. It is not suitable to burn stainless steel products empty.


Compared with iron and aluminum products, stainless steel products have lower thermal conductivity and slower heat conduction. Air firing will cause the chrome coating on the surface of the cookware to age and fall off.


Finally, what should we pay attention to when cleaning stainless steel products? Stainless steel products have a certain degree of corrosion resistance, but no matter what, bacteria will still grow after being left for a long time, and they must be disinfected every other time.

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