At present, some famous brands of tap products have been detected excessive lead content. If people drink tap water that has been contaminated by taps with excessive lead for a long period of time, they may unknowingly absorb excessive amounts of lead, which can cause heavy metal poisoning and incalculable damage.
Faucets are mainly made of copper alloys. In order to save costs and increase production efficiency, some companies add a certain amount of lead to the production and processing of copper alloys. Lead elements can form a protective film in contact with air, and lead in the protective film under long-term scouring. The molecule may precipitate. At the same time, since tap water uses chlorine as a disinfectant, the residual chlorine in the water will accelerate the aging of the tap and the precipitation of lead. The use of brass faucets and water pipes for more than 5 years generally leads to a large increase in the amount of lead released.
Lead is a heavy metal element that harms human nerves, blood, bones, digestion, and reproductive systems. It is designated by the International Cancer Organization as one of the carcinogens. Lead poisoning is the most serious damage to the nervous system, which can lead to unresponsiveness, decreased intelligence, and decreased memory. Lead is particularly harmful to children. The absorption rate of lead is 8 times that of children. Lead poisoning seriously affects the intelligence and physical development of children.
We use water every day. The health of the water affects the health of our family. The faucet and water are closely linked. For safety and health, at home decoration, we should also purchase a reliable, water-saving and durable faucet.
First, look for brand protection
When consumers purchase taps, they should go to the formal market and buy well-known brands, so that they can choose to rest assured products. Using a tap is a matter of family health. It must not be cheap. Regular faucet packing boxes should have brand identification, quality assurance and after-sales service instructions. Remind everyone to buy it must be careful, in order to protect the lead content does not exceed the standard, try to choose stainless steel faucets.
Second, observe the surface coating
In order to prevent the faucet from being oxidized, the faucet will be plated with a layer of nickel or chromium on the surface after being polished. Nickel or chromium has the function of resisting neutral hydrochloric acid, protecting the faucet from corrosion for a long time. When purchasing, look in a well-lit place. The surface of the faucet is free of oxidized spots, no air holes, no missing plating and blisters, and scorch marks. The uniform color without burrs and sand grains is a good product.
Third, pay attention to the internal structure and material
When purchasing, please read the instructions to understand the internal structure of the faucet. Ceramic faucet faucets are recommended. They are made of high-durability ceramics. Even 60 pounds of water pressure can be switched freely without leakage. For washers, the recommended washers can withstand hot and cold water pressure without leakage.
Fourth, check the leading switch structure
Finally, check the design rationality of the product. First move the switch a few times to see if the parts fit tightly and tightly. When turning the switch, feel soft. If the hand feels astringent or frivolous, it indicates that the assembly structure is unreasonable. When such a faucet is used, there may be insufficient water, or water leakage may occur when the water pressure increases.
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