How to identify Chinese heat storage containers contains carcinogens

Information about Chinese heat storage containers containing carcinogens is confusing to consumers. More afraid, this product is popular in the Vietnamese market. Therefore, you should know how to choose the right thermos to protect your family's health.

• Two poisonous substances in Chinese heat-keeping bottles kill people very quickly

Recently, information of Chinese stainless steel thermos with carcinogenic substances is widely used in the Vietnamese market, Prof. Dr. Nguyen Hai Nam of the University of Pharmacy said that not only the thermos keep heat but also for all stainless steel utensils and plastic products, should not contain long-term acidic drinks that can cause users to get cancer.

Earlier, the Chinese government has just issued a recommendation to consumers about Chinese heat storage containers containing carcinogens. This is the result of an experiment conducted by the Research & Quality Assurance Institute in Jiangsu Province, China, in collaboration with the same field in late February.

Accordingly, during the experiment, the experts contained pure water and juice in two samples of the same type of thermos bottle. After a while, the heavy metal content in juice increased dramatically and exceeded the allowable limit. Analysis of pure water samples does not show a similar phenomenon.

Look closely and compare weight between different bottles.Normally, Chinese thermos bottle will be much lighter than Korean and Thai thermostats .

Talking to Assoc. Prof. Nguyen Duy Thinh, Institute of Biotechnology and Food Technology, Hanoi University of Science and Technology on the issue of stainless steel heat preservation containers with carcinogenic substances, Assoc. Thinh said that before this information, people should not be too confused.

According to Assoc. Thinh, Stainless steel is currently used very widely in life from stairs, door handles, there are types of uses for eating-related items such as bowls, chopsticks, spoons . Stainless steel has insulation properties Very good should be used in the technology of manufacturing thermos.

Assoc. Thinh said that stainless steel is a compound of many components. The quality of each type of product depends on which manufacturer selects the type of stainless steel to produce the product. However, if any stainless steel product that contains a lot of metals such as chromium, manganese and nickel will adversely affect the user's health.

"Type of stainless steel to produce food-related items such as thermos, chopsticks, spoons, bowls . must be made of quality stainless steel, without rust, and does not cause reaction. learn with the substances it contains " - Prof. Thinh said. Therefore, consumers should choose, buy products that have passed legal quality censorship to ensure safety.

Some ways to choose standard thermos:

Chinese pots have a sleeker appearance and eye-catching designs than other types of pots.

• Using a test magnet ball, which is strongly inhaled is a lot of iron phase, poor quality, very quickly rusty.
• Buy products with labels and labels of manufacturers.
• The types of heat-keeping containers of Thailand, Korea, Vietnam . usually have moisture-proof bags in the bottle but most of the Chinese thermos can not.
• Chinese thermos have a much lighter weight and there is no moisture-proof bag inside the bottle like other types, unpleasant smell.
• The price of quality heat preservation containers of Korea, Thailand and Japan ranges from 150,000 VND / bottle or more, while Chinese thermos have lower prices than half.Besides, Chinese bottles have a sleeker appearance and eye-catching designs than other types of pots.
• Stainless steel for cooking should choose type 304, stainless steel for non-cooking products choose type 430. When buying, ask the seller to introduce the right type.
• The type has 2 - 3 very thick bottom layers when the fingers snap into the bottom without resonance, while the thin one on the bottom will make the sound more resonant.Some manufacturers make thin stainless steel goods but create a bottom-layer plating to stop the bar.This type is easy to spot even though there is no sound but picks up the product lighter than normal.
• Good products are cast in one block, without any seams or armor."Spot welding" stainless steel products leave a burn mark forming dots at the handle or eyelid junction.
• The bottle with the inner core and the material with the shell usually holds hot water at 100 degrees, but only keeps heat for 8-24 hours (hot - cold);The inner type coated with silicon has a better thermal retention function, can hold ice for up to 48 hours, but only for hot water under 70 degrees C.
• Normally, products that have been tested and have prestige in quality such as Korea, Thailand, Japan . all have anti-counterfeit stamps, Barcode codes are affixed to the outer container section of Trung's bottle. The country has no.

However, to deceive consumers, some establishments are self-stamped and fake codes no less than the real ones. If it is not yet a person who normally buys thermos, they can come and buy them at reputable supermarkets and shops. Especially, it should be important for street vendors, markets .

Chinese thermos can not print bar codes at the bottom of the box.

Note when using thermos

• For the first time, use hot water (keep it warm) or cold water (keep it cold) in the soaking jar for about two minutes to wash and increase the heat-retaining effect.
• Should use the type dedicated to keeping hot or cold, should not be confused when hot when cold.
• Always pour the water about 2cm away from the jar to allow the heat to spread out more slowly, which can hold heat longer.
• Do not use a container to store carbonated water, juice, or milk.
• After a period of use, the body of the bottle may appear rust.The diluted vinegar water solution should be poured into the soaking jar for about 30 minutes, then wipe with a soft cloth, the spots will disappear.
• Clean the jar immediately after use.
• Avoid leaving the jar in a place that is too high or too low (depending on whether it is hot or cold) because it is easy to reduce heat holding capacity.