How To Choose A Good Stainless Steel Vacuum Flask?

The regular stainless steel vacuum flask must be made of food grade stainless steel, that is, 304 stainless steel, which is the common 18/8 stainless steel in our introduction. Due to cost issues, bad merchants often use shoddy stainless steel instead of 302 or even lower 200 series stainless steel. , Its heavy metals are seriously exceeding the standard, causing great harm to the human body, so pay special attention to the identification when purchasing.

1. Look at the price of the vacuum flask

As the saying goes, the wool comes from the sheep. The price of the 304 stainless steel vacuum flask is obviously higher than that of ordinary stainless steel. Like the stainless steel vacuum flask of ten to twenty yuan on the street, it should be thrown directly into the trash can. The quality is not good. Where to go.

2. Look at the label of the thermos cup

Generally, the label or manual of a regular stainless steel vacuum flask will indicate the product model, volume, material, production address, usage method, etc., such as 304 stainless steel vacuum flask, its material will be clearly marked.

3. Look at the brand of the vacuum flask

The choice of the brand of stainless steel vacuum flask is also very important. The quality of the formal brand is guaranteed and the quality is trustworthy. However, some unknown small brands may have the problem of being shoddy, and they are very uneasy to use.

4. Look at the test of the vacuum flask

Ordinary stainless steel cups appear whitish or dark in color. If they are soaked in 1% salt water for 24 hours, rust spots will appear. At present, there is a special 304 stainless steel material identification agent on the market, except for the thermos cup, other stainless steel kitchen utensils can be tested.