The faucet will precipitate toxic elemental lead? This is not shocking. Recently, CCTV exposed the results of the national faucet comparison test, saying that nearly 40% of the faucet quality in the market has not reached the national standard, and some brand faucets are not up to the standard in lead precipitation concentration. When the news came out, it immediately attracted the attention of the general public. Market taps open "lead-free" cards It is reported that lead can damage human nerves, hematopoiesis and reproductive system, which is more harmful to children, affecting its growth and development and intellectual development, and causing dementia in severe cases. “Lead-free faucets are good faucets.†Recently, in the Xiaodongmen building materials market, a brand of faucet played such an advertisement. The reporter visited several building materials stores and found that in addition to not leaking water, rusting, etc., all major faucet brands are now playing "lead-free" cards. In a hardware store, the salesperson recommended to the reporter a rotating kitchen faucet priced at 179 yuan, the product uses 304 stainless steel, completely lead-free. How to distinguish lead-free faucets "Some people say that copper is lead-free, and some say that stainless steel is lead-free. How do you choose it?" At the Chuxiong building materials market in Xiongchu Avenue, Ms. Liu, who is selecting the kitchen faucet, was touched by the salesperson. Not mind. "The first two days of the news said that some taps can cause lead poisoning, which is quite scary, specifically to pick a lead-free one." Unlike the situation of Ms. Liu, the reporter found that many people are not aware of this. "Is there a lead in the faucet? I have never heard of it." Ms. Liao said that some time ago, she found that the water outlet of her kitchen faucet had long green hair and could not be wiped off. Simply use a knife to scrape it and continue to use it. People have said that they have encountered such a situation, it may be rust, and I have not paid much attention." Select the faucet to see the valve core and plating Which faucet does not contain lead? How to tell? "The so-called 'lead-free' products on the market are not lead-free, but the lead content is within the standard range." He Jian, a well-known hardware sanitary ware brand in Hubei, told reporters that because lead-free faucets have high requirements on production processes, Most of the domestic hardware sanitary ware enterprises are small and medium-sized enterprises, many of which do not have the production technology and conditions of completely lead-free products, so the real lead-free products have not been popularized in the domestic market. He introduced that due to process limitations, most of the current faucets are cast with copper alloys with higher lead content. "In addition to copper and zinc, copper alloys contain about 3%-5% iron, aluminum, lead, etc. A variety of trace elements." When selecting the faucet, he said that the valve core is the key, and the quality of the products are all made of ceramic valve core. It is recommended to “see the gilt plating quality carefully. The good plating is very bright. With a hand press, the trace will disappear quickly. â€
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