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How To Choose A High Quality Thermos Cup Apr 15, 2018

First, look at the appearance of the cup. A look at the inner and outer liner surface polishing whether uniform, whether there are bumps and scratches defects;

Two, see whether the mouth welding is smooth and consistent, which is related to the feeling of comfort when drinking water.

Three the quality of the plastic parts is poor. It will not only affect the service life, but also affect the sanitation of drinking water.

Four see if the internal seal is tight. The plug and the cup body is suitable. Whether the spin out and spin is free, or whether the water is leaking. Fill a glass of water for four or five minutes or force a few times to check whether it leaks. Look at the insulation performance, which is the main technical index of the thermos cup. General selection can not be checked in accordance with the standard, but can be filled with hot water and look up, not heat insulation Cup loaded into hot water two minutes later, the lower part of the cup will be hot, and the lower part of the cup is always cool.

There are several following methods:

1, the simple identification method of vacuum insulation performance: pour the boiling water into the thermal insulation cup and close the bottle stopper clockwise or the cup cover for 2-3 minutes, touch the surface of the cup with the hand, if the cup has the obvious warm heat phenomenon, it shows that the product has lost the vacuum degree and can not achieve good thermal insulation effect.

2. Seal performance identification: after the cup is added to the cup, the bottle plug and cup cover are tightened in clockwise direction, and the cup is placed on the table without water leakage; the cup cover and the cup should be flexibly and without clearance.

3, plastic parts recognition: food grade new plastics are characterized by small odor, bright surface, no burrs, long service life and no aging. Ordinary plastics or recycled plastics are characterized by large odor, dull color, many burrs, and easy ageing and breakage of plastics.

4, capacity simple identification method: the depth of the liner is basically the same as the height of the shell, (difference 16-18MM), the capacity is consistent with the nominal value. Some of the poor quality insulation cups add sand and cement blocks to compensate for the missing weight in the cup. Misunderstandings: the weight of a cup (pot) is not necessarily good.

5, simple identification method of stainless steel material: stainless steel material has many specifications, in which 18/8 indicates that the stainless steel material contains 18% chromium and 8% nickel. It meets the standard of the material. It is in accordance with the national food grade standard is green and environmental protection products, the products are rust resistant and corrosion resistant. Ordinary stainless steel cup body color is white and dark, if put in the concentration of 1% salt water soaked for 24 hours, it will produce rust spots, its part of the elements exceed the standard, directly endangers the health of the human body.