Purchasing skills of stainless steel thermos cup

  In autumn and winter, the weather is cold, and as the temperature drops, the weather is getting drier and drier
Buying a thermos cup to drink water has become our common choice
There are many kinds of thermos cups on the market, and the quality is also very different
Today, Xiaobian will share the tips of choosing thermos cups
In addition, let's talk about which four kinds of tea cups should not be installed
Tips for purchasing thermos cups 1
Measure the insulation strength Fill it with hot water and cover it
After five minutes, touch the appearance or bottom of the cup
If you feel warm, it means that the insulation effect is not good enough 2
Check the tightness of the thermos cup Fill it with water, cover it tightly and put it upside down for a few minutes or throw it hard
If the water will penetrate, it means it is not sealed enough 3
Whether the material of the thermos cup is safe Even the thermos cup will use plastic materials to some extent
It is necessary to judge whether it is safe to pass through & ldquo; Smell & rdquo; To identify
If the thermos cup is made of food grade plastic, it has no taste, smooth surface, no burr and long service life 4
Identification of stainless steel materials For stainless steel thermos cup, the quality of material is very important
There are many specifications of stainless steel
If it is 18 / 8, it means that the stainless steel contains 18% chromium and 8% nickel
Only the materials that meet this standard are green products The five drinks in the thermos cup cannot be filled 1
Acid drinks should not be loaded Because of its high melting point, stainless steel will not melt at high temperature and release undesirable substances
However, stainless steel is most afraid of strong acid
If it is loaded with drinks with strong acid for a long time, it may damage the internal organs 2
Not suitable for milk Some people will put hot milk in a thermos cup, but this practice will make the microorganisms in the milk multiply rapidly in an appropriate environment, causing diarrhea and abdominal pain
Because the acidic substances of milk in high temperature environment will cause chemical reaction on the inner wall of the thermos cup and affect human health 3
Do not make tea 4
Not suitable for soymilk 5
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