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What Should I Do if the Vacuum Flask is Rusty?

The thermos cup is a very common cup in autumn and winter. An insulation cup can be used for several years. In long-term use, many people may find that the insulation cup is rusty. How should we deal with the rust of the vacuum flask?


Will the stainless steel vacuum flask rust? In the impression of many people, the vacuum flask made of stainless steel will not rust.

In fact, this is not the case. Stainless steel is only less prone to rust than other steels. A good vacuum flask will not rust easily, but if we use improper methods or improper maintenance, it is understandable that the vacuum flask rusts!


What Should I Do if the Vacuum Flask is Rusty

The method of removing the rust of the vacuum flask is also very simple, and it can be easily removed by using acidic substances. When the vacuum flask is rusty, we can use acidic substances such as vinegar or citric acid to add a certain proportion of warm water into the vacuum flask and let it stand for a while, and then clean it with water. This method can remove the rust from the vacuum flask.


If you want to prevent the vacuum flask from rusting, we must use and maintain the vacuum flask reasonably. Once the vacuum flask rusts, it will affect the service life of the vacuum flask.


Dongguan Zhanyi Commodity Technology Co., Ltd. insists on using food-grade 304 stainless steel inside and outside, or a combination of 304 stainless steel outside and 316 stainless steel in the material of stainless steel water cup. The thermos cup can last up to 18 hours and keep cold for up to 24 hours. The whole production process adopts AQL=1.0 (Ma) and AQL=2.5 (Mi), which are far higher than peer standards. All links adopt a full inspection system to ensure that each product is a high-quality product.