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What kind of insulating cup is the healthiest? How to choose a good insulating cup?
How to choose and buy insulating cups? What kind of material has a good thermal insulation? Consumers often have to pay attention to not only look at the appearance or name, but also pay attention to other details in order to buy a good quality insulation cup.
1. Stainless steel
Stainless steel insulation cup is not easy to produce corrosion, pitting corrosion, rust, wear resistance, durable; now it has become a new trend of modern household use cups, using stainless steel insulation cup, beautiful appearance, bright, fashionable and durable, to add design color to our dull and tasteless life; and it has strong characteristics, combined closely and not easy to be destroyed; Food grade 304 stainless steel insulating cups are commonly used. They contain 16% chromium. They have good stability and corrosion resistance. They will not rust for a long time and have the function of insulating ice water except hot water.
Ceramic insulating cups are not very common in the insulation industry, and the price will be several times higher than other materials, good ceramic insulating cups prices may reach thousands of yuan. But ceramic insulating cups are totally harmless and do not produce harmful metal substances like other materials.
3, purple sand
Now some of the more front-end insulation Cup brand products are made of pure natural purple sand mud (less production) and refined inner liner. The outer liner is made of stainless steel, but it is purple sand that makes the insulation cup have many other functions. So the stainless steel liner is usually used as the outer liner and purple sand as the inner liner as the insulation cup called purple sand insulation cup. In addition to basic functions, it can also make tea, with health preservation, conditioning and so on. It has strong adaptability to rapid change of temperature, does not crack due to rapid change of temperature, slow heat transfer, and does not burn hands.
Glass is sintered from inorganic silicates, which is a very stable material. And the glass is easy to clean and very safe. But the glass insulating cup has the disadvantage of fragility and can not be carried with it, which is very inconvenient.
Plastic insulating cup only has the function of heat insulation. Compared with other insulating cups, the effect of heat preservation is far from the same. Although it can keep warm, but the holding time is relatively short, heat dissipation is fast, not suitable for use in autumn and winter. And in the history of insulating cup development, many people in the industry have said that plastic insulating cup is likely to have carcinogenic substances, need to be carefully selected.
To sum up, the materials commonly used in the industry are stainless steel, ceramics, purple sand, glass and plastic. It can be seen from the above that stainless steel insulating cup is the best choice nowadays, although ceramics have high safety performance and do not contain harmful substances, but it is relatively rare in the market; purple sand has the function of keeping warm in winter and cool in summer and multi-function, but authentic purple sand mud is rarely produced, and it is difficult to see; glass has high stability, but it is not portable and fragile; plastic insulating cup is unique. Cancer suspects, heat preservation effect and time are also very poor, need to be carefully purchased.
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