How to Choose Stainless Steel Tableware

Stainless steel tableware containers, such as spoon, spoon, knife, fork, plate, dish, bowl, cup, pot, sink gradually into the family.Tableware of stainless steel is beautiful and durable, but microelement exceeds bid to also be harmful to human body.The reporter learns from bureau of supervision of city quality technology today, the stainless steel tableware container that Shanghai produces, sale is overall qualified rate is higher, but use container of stainless steel tableware to prevent chromium to exceed bid even.

It is reported, quality technology supervises a branch a few days ago selectiv checked container of stainless steel tableware product 44 kinds, eligible 41 kinds, qualified rate is 93.2%, because 3 kinds of other products chromic exceed bid and be judged unqualified.Chromium is a heavy metal element, among which "hexavalent chromium" is listed as one of the most harmful chemicals to human body, and is one of the internationally recognized carcinogenic metals.Therefore, the national mandatory standard "stainless steel tableware container health standards" on chromium, lead, cadmium, nickel and arsenic and other indicators have been severely restricted.

Stainless steel is not "rustproof".

Professionals point out that stainless steel is not really rust, if the stainless steel long-term contact with acid, alkali substances, will also occur chemical reaction, so that the trace elements are dissolved out.Therefore, consumers should pay attention to the use of stainless steel products, not for a long time with its salt, soy sauce, vegetable soup, not in the heat of traditional Chinese medicine, no strong alkaline or strong oxidation of chemical agents such as soda, bleach powder, sodium hypochlorite and so on for washing.

How to choose stainless steel products.

When consumer choose and buy stainless steel product should look carefully on outer package whether the material that marks place USES and steel number, can judge with magnet at the same time.At present, for the production of stainless steel tableware container mainly "austenitic type" stainless steel and "martensitic type" stainless steel 2.

Containers for food should be made of "austenitic" stainless steel, which has no ferromagnetism;

All kinds of tableware should use "markov shape" stainless steel production, "markov shape" stainless steel has ferromagnetism.

Tableware is printed with "13-0", "18-0", "18-8" three kinds of code name is produced with stainless steel tableware, the number in front of the code name represents the amount of chromium, the number behind represents the amount of nickel, the higher the nickel content, the better the quality, such as "13-0" that is, containing chromium 13%, excluding nickel.Stainless steel tableware finished products should be printed code, such as no similar code is printed for counterfeit goods.

When consumer is tableware of stainless steel of choose and buy, take a small magnet to go only, the tableware that can be attracted by magnet is to contain chromium to do not contain nickel namely "stainless iron without rust" product, its prevent rusting performance is poorer, the tableware that cannot be attracted by magnet, just contain chromium to contain the stainless steel product of nickel already, its prevent rusting performance is higher.Therefore, with a piece of magnet to choose and buy stainless steel products will not be deceived.