In home improvement, many consumers are very concerned about the “face†project such as tiled floors, and the pipe's seemingly small details of house decoration have been ignored by many people. In fact, the pipeline is like the pulse of our body, and the house is like It is our body. Once the pulse is broken or blocked, what are the consequences? It can be imagined. A few days ago, experts from the International Copper Association (China) gave a lesson to the Suzhou public at the Copper Water Pipes Association jointly organized by the International Copper Association and Sunshine Chuan Shang Pipeline Co., Ltd. and compared the water supply and drainage pipes of different materials. Detailed comparison.
As the most authoritative body in the world's copper industry, the International Copper Association has been supporting scientific research on the human health effects of copper on the environment in recent years. Copper water pipes have been widely used in the developed countries as water supply pipes. Eighty-five percent of the US water supply pipeline is copper, and the Hong Kong and Singapore water supply system copper pipelines reach 75% and 85%, respectively. In the Chinese market, the use of copper tubes is very low.
According to reports, the existing water supply and drainage pipes on the market mainly include galvanized steel pipes, PAP (aluminum-plastic composite pipes), PPR (polypropylene composite pipes), UPVC (polyvinyl chloride composite pipes), and some quality and performance. Better copper pipes and plastic-lined thin-walled stainless steel pipes. Because the galvanized steel pipe is not corrosion resistant, not antibacterial, the anti-scaling performance of the inner wall is poor. After prolonged contact with the inner wall of the pipeline, the galvanized steel pipe can easily rust into the water and cause direct contamination of the drinking water. At the same time, because it is a threaded connection, it is easy to loosen for a long time and cause water leakage. Therefore, in 2000, the country had explicitly banned the use of cold-galvanized steel pipes, and hot-dip galvanized steel pipes are also used for a limited time.
The prices of other plastic composite pipes are relatively low, and they are easy to install. They do not pollute the water quality. However, due to the physical and chemical properties of plastic composite pipes, they are not tolerant to cold and high temperatures, and are not resistant to impact. They have some safety features. Lacking. Plastic pipes use metal connections at the corners. Plastic pipes and metals are not welded but glued together with special glue. In the case of a large temperature difference, such as a sudden drop in temperature, the coefficient of thermal expansion between plastic and metal is different, and the plastic is easily cracked, causing the burst of the water pipe. At the same time, it is not recyclable, so it is contrary to environmental protection and waste of resources. The liner-lined thin-walled stainless steel pipe is superior in performance, but due to its high price, many ordinary people are still unacceptable.
Experts from the International Copper Association (China) suggest that citizens should use copper pipes as drainage pipes in their renovations. Because copper pipes have many unparalleled advantages of other pipes, such as the health and hygiene characteristics, copper can inhibit the growth of bacteria. 99% of the bacteria disappeared after 5 hours into the copper pipes, ensuring the cleanliness of our drinking water. And durable, strong security, no maintenance for life and so on.
In addition, when it comes to copper pipes, the first reflection of the public is: expensive. According to surveys, most consumers are afraid of the price of copper pipes. In fact, the price of copper pipes is only more expensive than ordinary water supply pipes (plastic pipes and aluminum-plastic composite pipes). Taking a new house with two bedrooms and one living room as an example, if relatively good plastic water pipes are used, the expenditure will be about 2000-3,000 yuan, and if you use copper pipes, it will be more expensive than 1,000 yuan.
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