Lead in the faucet is not a news item in the industry, but this issue seems to have been ignored. According to statistics, it is unclear that up to 70% of consumers will cause secondary pollution of water. The use of lead exceeding the standard faucet can cause heavy metal poisoning and endanger the health of the family. Today, with the rapid development of science and technology, while the quality of our lives has improved, the health risks around us have also increased. Let's take a look at the lead lead problem and teach you how to choose a quality faucet.

Understanding the hazards of lead in the health hazard

Recently, a number of international and domestic famous brand faucet products have been detected to contain excessive lead. If people drink tap water that is twice polluted by faucets with excessive lead content, they will inadvertently absorb excessive lead, which will cause heavy metal poisoning and cause immeasurable damage.

First, pay attention to the problem of excessive lead in the faucet

The results showed that in 2013, there were 21 batches of unqualified products in 68 batches of faucet products sampled in Shanghai, and 7 batches of products were detected to precipitate excessive lead or chromium. The most serious lead precipitation reached 173 micrograms per liter, which is 34 times higher than the national standard. Compared with previous surveys, the lead in the faucet has exceeded the standard.

Second, why does the lead over-standard problem increase repeatedly?

It is understood that the lead content is different in international and domestic standards. The United States has issued a lead-free bill for faucets, which stipulates that the lead content of the faucet should not exceed 0.25%. European and American countries are also actively drafting relevant bills. In China, the water dragon still contains lead standards and does not have a unified legal regulation. The current standard is only recommended, not enforced, and the lead over-standard problem has intensified.

3. Why is there a lead in the faucet?

The faucet is mainly made of copper alloy. In order to save cost and improve production efficiency, some enterprises add a certain amount of lead in the production and processing of copper alloy. Lead element can form a protective film by contact with air, and lead in protective film under long-term scouring. Molecules may precipitate.

At the same time, because tap water uses chlorine as a disinfectant, residual chlorine in the water accelerates aging and lead precipitation. Generally, the use of copper faucets and water pipes for more than 5 years will increase the amount of lead released.

Fourth, anti-lead poisoning is extremely harmful to health

Lead is a heavy metal element that harms the nervous system, blood, bones, digestion, reproduction and other systems of the human body. It has been designated as one of the carcinogens by the International Cancer Organization. Lead poisoning damage is most severely damaged by the nervous system, which can lead to slow response, decreased intelligence, and decreased memory. Lead is especially harmful to children, and children's absorption rate of lead is 8 times. Lead poisoning seriously affects children's intelligence and physical development.

Health is the most important thing to look at quality faucet buying skills

We use water every day. The health of the water affects the health of the family, and the faucet is closely linked to the water. For safety and health, we should purchase a reliable, water-saving and durable faucet during home renovation.

First, look for the brand is guaranteed

Consumers should go to the formal market when buying faucets and buy well-known brands so that they can choose products that are safe. The use of faucets is about family health and must not be cheap. There should be brand identification, quality assurance and after-sales service instructions in the regular faucet packaging box. Remind everyone to buy is to be cautious, in order to ensure that the lead content does not exceed the standard, try to choose stainless steel faucet.

Second, observe the surface coating

In order to prevent the faucet from being oxidized, the faucet will be coated with a layer of nickel or chrome on its surface. The nickel or chrome has the function of resisting neutral hydrochloric acid, protecting the faucet from corrosion for a long time. When purchasing, look at the place with sufficient light. There are no oxidized spots on the surface of the faucet, no pores, no leakage plating and bubbles, and burn marks. The color is uniform and there is no burr and sand.

Third, pay attention to internal structure and material

The instructions should be read at the time of purchase to understand the internal structure of the faucet. Ceramic faucet faucets are recommended. These core valves are made of high-resistance ceramics. Even with 60 psi of water pressure, they are free to switch and prevent leakage. For gaskets, the recommended 矽 washers can withstand hot and cold water pressure without leakage.

Fourth, check the faucet switch structure

Finally, check the design rationality of the product. First move a few switches to see if the parts are tight and tight. When twisting the switch, the hand feels soft as well. If the hand feels uncomfortable or fluffy, it means that the assembly structure is unreasonable. Such a faucet may have insufficient water supply when it is used, or water leakage may occur when the water pressure is increased.

Health tips daily maintenance coup to reduce lead exposure

Due to market turmoil, it is difficult for consumers to choose lead-free faucet products. In this regard, everyone can take some clean maintenance tips in daily use to reduce the risk of lead exceeding the standard.

First, the water is learned to ensure healthy drinking water

Experts suggest that when you turn on the faucet every morning, you can put it aside for a while and use it to wash the bathroom and mopping the floor. Because the water just opened the faucet often carries more harmful substances, such as the precipitation of more lead. In the same way, the faucet that has not been opened for a long time cannot be used for drinking immediately.

Second, the longer the lead, the more regular the replacement

Change the faucet regularly. Chlorine is now used as a disinfectant in tap water, and residual chlorine compounds in the water can exacerbate the precipitation of lead in the tap. In general, copper alloy faucets have been used for more than 5 years, and lead precipitation has increased significantly. Therefore, it is recommended that the faucets in the residents' homes should not be used for too long.

Third, diligently clean up and remove mesh impurities

If used for a period of time, it is found that the amount of water is reduced, and even the phenomenon that the water heater is turned off may be caused by water and sand blockage in the screen. At this time, gently unscrew the screen cover at the water outlet of the faucet to remove impurities. In general, the impurities of the screen are cleaned regularly for up to three months, which is better for the health of the family.

Fourth, clean the faucet to protect the outer plating

To protect the faucet coating, use a wrung soft cotton cloth to clean it. Do not wipe it directly with a wet towel to avoid scaling, and do not use burr to wipe the coating. Avoid letting the faucet touch the acid-base liquid. Spray a neutral detergent onto the soft cloth and gently wipe the faucet.

Fifth, prevent plating aging using protein insurance

The gold-plated parts of gold-plated products are extremely easy to fall off and lose their luster, and the protein can be used to maintain the gloss of the coating. The protein is beaten to a slightly foaming state with an egg beater, then the faucet is cleaned with warm water, dried, and then a little protein is applied, and the gold plating is gently wiped to protect the gloss of the coating.

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