What Kind of Drinks Are Not Suitable for Stainless Steel Vacuum Flask?
Ordinary stainless steel heat preservation structure is double-layer stainless steel, the middle layer is vacuumed, and the heat preservation time is generally required to be more than 6 hours. At the same time, most of the thermos cups are mainly made of thin and long with small mouths. After understanding these characteristics, it becomes clearer which beverages cannot be insulated with stainless steel.
Keeping high water temperature for a long time will destroy the composition of tea and make tea release harmful substances.
The acid cost in carbonated beverages will chemically react with stainless steel, destroying the composition of the internal surface of the water cup, especially the laser welding line, causing the water cup to break the vacuum and no longer keep heat, and over time will cause the surface of the water cup to oxidize and rust.
Similar to milk, long-term high temperature will cause dairy products to deteriorate. At the same time, due to the structure of the water cup and the characteristics of dairy products, the water cup is not easy to clean, and moldy will occur over time.
For juice drinks with higher acidity, the problems that are difficult to use are similar to those of carbonated drinks and dairy products.
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