Is the insulation cup coated? What is the function of coating?


In general, we use insulated cups to hold cold water. At this point, the material is stable, but at high temperatures, insulated cups with poor material can produce harmful substances. Many insulation cups are coated with edible grade PP materials that will not cause any harm to the human body.
For stainless steel insulated cups, many manufacturers use aluminum as the material. Excessive intake of aluminum will cause great harm to human health. The coating inside the sports kettle is to separate the water, juice, milk, coffee and other drinks from the aluminum kettle.
The key to the quality of an insulated cup lies in whether the inner coating dilutes harmful substances at high and low temperatures. Currently, more than 90% of the components of the inner coating of insulated cups contain resin and other solvents, which are harmless to the human body and also solve the problem that consumers are most concerned about.
The ceramic coating in the insulation cup is not traditional ceramics, but organic silicon coating (polymethyl siloxane, also known as liquid ceramic), mainly resistant to corrosion; Some are only Teflon and may come off.

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