Plastic thermal insulation gasket
Plastic thermos cup liner is a common material, which is used by many quilts and can only play the role of heat preservation. The heat preservation time is usually only about 3 hours at most. The insulation effect of plastic thermos cups is very poor, so plastic thermos cups are generally not suitable for use in autumn and winter. Long-term use of plastic cups is also harmful to the human body because it may cause cancer.
Ceramic thermal insulation lining
Ceramic thermal insulation liner, which is completely harmless, will not contain a lot of harmful substances like plastic, nor will it release a lot of heavy metals like metal cups. The inner container of ceramic thermos cup is a kind of less commonly used material, which is relatively rare in the market.
Red porcelain insulating liner
Kettle with purple sand insulation liner, this material has insulation function, and some better purple sand also has the function of health care and conditioning. The purple sand liner is often matched with the stainless steel shell, which can improve the service life of the purple sand cup. Purple sand has good thermal insulation, slow heat transfer and is not easy to heat.
Glass thermal insulation lining
The kettle with glass insulation liner is a relatively healthy kettle, but it is not resistant to falling. The substance of glass is relatively stable and will not leak impurities because of boiling water. Glass cups are easier to clean, but not easy to carry around.
Stainless steel thermal insulation lining
The insulation pot with stainless steel insulation liner should be made of food-grade 304 stainless steel, and the country also has clear instructions. Stainless steel contains some iron, but some inferior stainless steel will also release some toxic heavy metals. Stainless steel thermos cups are not suitable for making tea, which will lose the fragrance of tea.
Above, we introduced some information about thermos bottles. In this article, we mainly introduce five aspects of knowledge about thermos bottles. These five aspects of knowledge are all about the classification of thermos liners. Because we mentioned that there are many decibels in thermos bottles, in order to let everyone know what kinds of thermos bottles there are, we specially introduced five kinds of thermos bottles: plastic liners, ceramic liners, purple sand liners, glass liners and stainless steel liners.
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