Stainless steel insulation cup It belongs to alloy metal products. According to different uses, the trace metal elements contained in stainless steel cups will also be different. Common metal elements include chromium, nickel, silicon, carbon, aluminum, etc. We all know that iron is a trace element that the human body needs to ingest every day, and this element cannot be provided to us in a glass. Just as we also need to choose an iron pot for cooking, the reason is the same, so it is OK to drink with a stainless steel thermos cup, let alone worry about the toxicity of drinking water with a stainless steel thermos cup.
Is it toxic to make tea from stainless steel insulated cups?
According to the standard of stainless steel insulation cup given by China's inspection center, the chromium migration of stainless steel utensils should not exceed 0.4 mg/square decimeter. What's the meaning of 0.4? It is measured that the stainless steel utensils will precipitate chromium after boiling for 30 minutes in 4% acetic acid solution and soaking for 24 hours. Chromium is a heavy metal ion, so at this time the insulation cup will release harmful metal ions.
Is it toxic to drink tea from stainless steel insulated cup
In real life, tea made from insulated cups is non-toxic
According to the results given by the National Test Center, it seems that the stainless steel thermos cup is toxic, but in real life, the tea we usually drink, or other Chinese wolfberry, is only very, very weak acidic. These acids are far less acidic than acetic acid.
The second is the obvious temperature condition. When making tea, boiling water is poured into a stainless steel thermos cup. No one will let the tea boil in a stainless steel cup for 30 minutes, but still soak it for that long, right?
So rest assured that it is good to use stainless steel insulation cup for tea, and really do not have to worry about the problem of heavy metal precipitation. Can I keep this cup of tea for many days if I haven't finished it? It's not absolutely impossible, but... if you keep it for a long time, it will become rancid, moldy and deteriorated. I'm afraid it's the first thing you should worry about! Chaolang is one of the first batch of manufacturers of thermal insulation cup and kettle series, leisure sports kettle series and children's kettle series in China. Its main products include thermal insulation cup, vacuum thermal insulation cup, stainless steel thermal insulation cup, sports kettle, vacuum sports kettle, sports kettle, children's cup, children's kettle, school drinking cup and other high-end products. Customized thermal insulation cups are also a major feature of our company, Twenty years of production experience and technical assurance ensure the quality of each product.
