How To Distinguish The Quality Of Thermos Cups

How to distinguish the quality of thermos cups

Insulation cups are standard in winter and health care. Most of them are made of stainless steel and have a good ability to maintain water temperature. There is a big difference between the varieties and prices of stainless steel thermos cups on the market, which also shows that there are differences in the quality of many thermos cups. So how to distinguish the quality of thermos cups? Let thermos cup manufacturers teach you a few ways to identify them. Methods:

trick one

The identification of the thermal insulation of the inner tank is the main technical indicator of the thermos cup. After filling with boiling water, tighten the cork or lid clockwise, and wait for 2 to 3 minutes to touch the outer and lower parts of the cup body. If there is obvious warmth on the body, it means that the inner tank has lost the vacuum degree and cannot achieve a good thermal insulation effect.

trick two

Identify the sealing performance Fill a glass of water and invert it for four or five minutes, screw the lid tightly, place the cup flat on the table, or shake it a few times, if there is no leakage, it means the sealing performance is good; in addition, look at the lid Whether the rotation with the mouth of the cup is flexible and whether there is a gap.

trick three

Identification of environmental protection of accessories The environmental protection of plastic accessories is also a matter of concern. It can be identified by smell. If the cup is made of food-grade plastic, the smell is small, the surface is bright, there is no burr, and the service life is long and not easy to age; ordinary plastic Or recycled plastic has a strong smell, dark color, many burrs, and the plastic is easy to age and break.