No matter what kind of cup, if the quality is not good, it will endanger the safety of the user in the process of use, so don't make up your mind because of the good-looking appearance of the stainless steel thermos cup. So how can we know that the quality of the thermos cup is good? Yaxing manufacturers will talk about the four rules for the selection of thermos cups:

1. Hygiene: It means that the raw materials of the thermos must be healthy and hygienic. The materials of the vacuum thermos are mainly stainless steel and plastic. The plastic cover and rubber ring must be environmentally friendly materials that are harmless to the human body or cause no pollution to the environment. BPA harmful chemicals are never added. The plastic used for the cover is PP food-grade plastic. The simple measurement method is to smell it with the nose, and there should be no miscellaneous odor or odor.

2. Thermal insulation: According to the light industry standard (QB/T2332), the thermal insulation performance of stainless steel vacuum cups (pots) is: under the condition of room temperature of 20 degrees, fill the cup with boiling water above 95 degrees, and cover the lid After 6 hours, the water temperature of cups with a capacity of less than 400ML should not be lower than 42 degrees, and the water temperature of cups with a capacity of more than 400ML should not be lower than 54 degrees.

3. Airtightness: This is a point that people consider more when purchasing thermos cups. Excellent sealing performance is the key to purchasing a vacuum flask, and an excellent vacuum flask must be watertight.

4. Reliability: It is necessary to know whether the relevant products come from companies that specialize in the manufacture of thermos cups. When the products have quality problems, whether they can obtain after-sales service or exchange in time, etc., it is a wise move to buy products from companies that can protect the rights and interests of consumers.

Therefore, when choosing, we can use this method to carry out some simple tests, so as to know whether the quality of the cups we are using is good or bad.