The bottom of the thermos cup is rusty and cannot be cleaned. Can this thermos cup still be used?
Rusty is of course not good for the human body. It is recommended to wash it with 84 disinfectant. There should be no problem after finishing it. Remember to rinse it before filling water every time and it will be fine. I wish you good health and happiness every day!
The stainless steel thermos cup is a little rusty, can it still be used?
From a practical point of view, as long as you clean it up, you can continue to use it, but in terms of physical health, it is best not to use it anymore.
In daily life, we often see all kinds of stainless steel products. Stainless steel is a general term for a class of alloy steel. According to its structure and chemical composition, it can be subdivided into ferritic steel, austenitic steel, martensitic steel, Duplex steel and precipitation hardening steel, etc., the name “stainless steel” will naturally lead people to think that this kind of steel will not rust, but in fact, stainless steel is not “indestructible”, it is just relatively resistant to rust That’s all.
From the point of view of family drinking water knowledge, since the stainless steel cup is now rusted, it means that there is something wrong with the material of the cup. The rust may be caused by some kind of chemical reaction, and drinking it will damage the stomach. Rusting means that the surface material of stainless steel has changed, and rust is a substance that is poisonous to the human body. Iron and rust are completely different from stainless steel and stainless steel rust. The human body needs iron. Of course, it does not appear in this form, which is the scope of nutrition. But the rust of stainless steel is absolutely harmful to the human body.
Everyone must pay attention to the safety of drinking water in life, especially those who often use stainless steel cups to drink water. Once rust is found, it is best not to use it for drinking water. Baibai Safety Network reminds you that health is better than anything All important, the cup can be thrown away if it is broken, but it is very painful when the body is sick.
There are many reasons for rusting, and rusting may also be caused by some kind of chemical reaction, which will directly damage the stomach of the human body. Stainless steel cups have become an indispensable daily necessities in life. If there is rust, try not to use it as much as possible. Rust will directly cause toxicity to the human body.
Soak the cup with edible vinegar for a few minutes, and then wipe it gently with a clean dishcloth. After wiping, the thermos cup can return to a smooth and bright surface. This method is practical and practical, and is suitable for every family.
2 The rust of the thermos cup is divided into the rust of the inner tank of the thermos cup and the rust of the mouth, bottom or shell of the thermos cup. If the inner liner is rusted, then this kind of cup must not be used; if it is the second case, it can be used for a short time.
1. The inner liner of the stainless steel thermos cup is rusted
Rusty inner liner can directly determine that the thermos cup does not meet the food-grade stainless steel standard. Because the liner of the thermos cup produced according to the industry standard, unless the stainless steel thermos cup is used to hold acidic liquid, it will not rust under normal circumstances.
2. The mouth, bottom or shell of the stainless steel thermos cup is rusted
This phenomenon can be said to happen frequently, because the outer shell of the stainless steel thermos cup is made of 201 stainless steel, which is prone to rust when exposed to acidic liquid or salt water. Because 201 stainless steel is easy to rust and has poor corrosion resistance, the cost is relatively low. For example, stainless steel thermos cups made of 304 inner tank and 201 outer shell are very cheap.
Post time: Feb-02-2023