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Cup pot insulation products are generally divided into vacuum stainless steel and mercury-plated glass of the pot, vacuum stainless steel is mainly using vacuum technology to achieve thermal insulation, and some of the use of mercury-plated glass-like pot, moisturizing principle and Thermos similar. Like the general glass mug and the Purple Cup, although called the Thermos flask, but difficult to achieve, the effect is not good, now we are on the vacuum stainless steel mug for everyone to buy an introduction.
(1) First look at the label or specification of the Cup. General regular manufacturers will have to write the product model people, name, volume, material, production address, manufacturers, standard number, after-sale, use methods and so on. If it doesn't, then there's a problem.
(2) from the mug's appearance to identify. A look at the internal and external surface polishing is uniform, whether there is a touch and scratches or burr; second see whether the mouth welding is smooth and consistent, which is related to the feeling of drinking water is comfortable, three see whether the internal seal is tight, Plug and cup body match; four see Cup mouth, the more round the better, immature process will appear round.
(3) Tightness test: First twist the cup cover, see if the cup cover is completely consistent with the cup body, then add boiling water in the cup (preferably boiled water), and then invert the cup minutes to see if there is water seeping.
(4) Insulation testing: Because the stainless steel vacuum cup is a vacuum insulation technology, because the vacuum can be done to prevent heat transfer to the outside world, thus achieving the effect of heat preservation. So to test the insulation effect of stainless steel vacuum mug just put boiling water into
In the cup, after two or three minutes, hand touch the various parts of the cup, see the heat is not hot, if any part of the heat, then the temperature will be lost from that place. Places like the mouth of a cup usually have a slight fever is normal.
(5) Other plastic parts of the identification: the use of plastic cups should be food-grade, this plastic smell small, shiny surface, no burr, long service life is not easy to aging. and ordinary plastic or recycled plastic is characterized by large smell, dark color, burr, plastic easily aging easily broken, long after the time will also stink. This will not only shorten the life of the thermos, but also pose a threat to our health.
(6) Capacity testing: Because the Thermos cup is double, so the actual capacity of the thermos and we see there will be a certain discrepancy. First look at the depth of the inside of the cup and the height of the outer layer is not a big difference (general 18-22mm), many small factories in order to reduce costs, often in the material aspects of this may affect the capacity of the cup.
(7) Stainless steel mug Material identification: A wide range of stainless steel materials, of which 18/8 of the stainless steel material containing 18% chromium, 8% nickel, to meet this standard of materials, in line with the national food-grade standards are green environmental protection products, products rust-proof, corrosion-resistant. Ordinary stainless steel cup (pot) body color appears white or dark, if the concentration of 1% brine immersion in 24 hours will produce rust, it contains some elements of exceeding the standard, directly endanger the health of the human body.
Consumers often have to pay attention to buy a thermos, not just look at the appearance or name, and to see whether the instructions are marked for thermal insulation, now many cups of pot products appearance generous, fashionable, very like the thermos, but in fact, no heat insulation, consumers only by the impression of the mug and subjectively think is the thermos flask. So do not make such a small mistake, must read the instructions.
