Water pipes made of materials that can be corroded or aged will produce substances and toxins harmful to health into the water, which is the main culprit of water pollution. How to select water pipes? You should first know various kinds of water pipes Stainless steel pipe The problem of materials and the conditions for correct use are known Stainless steel water pipe Principle of selection to avoid economic loss and health loss.

At present, most of the water pipes on the market are plastic pipes. Although its economic use need not be too worried, there are hidden dangers in health and security. The following figure shows a pipe that has been used for nearly ten years Plastic pipe When the owner found that the water outlet of the pipe had peculiar smell and color, he decided to replace it, which also gave us a chance to witness the appearance of the pipe.

Seen from the appearance, the pipe is not cracked, but plastic embrittlement occurs due to outdoor placement, and there are obvious powdery objects on the outer wall of the pipe.

There is obvious aging phenomenon at the connection of pipe fittings. Due to the contact with metal fixing materials, the rust has eroded into the pipe, causing a large area of rust spots. Moreover, the water flow in the pipe conveys the rust water to the pipe.

On the inner wall of the pipe, ginger sediment surrounds the inner wall of the pipe. You can feel a kind of stickiness when you pick it with your fingers. The inner wall of the whole pipe is wrapped with such material, and the water flow is accompanied by a light yellow.

In fact, for plastic pipes, due to their insufficient chemical stability, the above phenomenon is easy to occur under long-term use. Especially in some areas with poor water quality, microorganisms and impurities growing on the inner wall of the pipes will precipitate in large quantities, causing secondary pollution to the drinking water quality. Therefore, under the trend of consumption upgrading and the policy call of healthy people's livelihood, governments at all levels have issued documents calling for drinking water pipes to be made of stainless steel pipes.