The reason why PVC drain pipes can win a big market is that PVC drain pipes are very practical.
First of all, PVC drain pipes are very light, which is labor-saving and convenient to install. The quickness of the whole installation is greatly improved, which is unmatched by cast iron drain pipes. In addition, PVC pipes are light in weight and convenient to transport.
Secondly, the drainage function of PVC drain pipes is stronger than that of cast iron drain pipes. Because the PVC drainage pipe is a plastic product, the smoothness of drainage is very high.
PVC pipe refers to a pipe product that is extruded and formed by hot pressing after combining polyvinyl chloride resin with stabilizers and lubricants.
It is the earliest plastic pipe developed and applied. PVC is the abbreviation of (Polyvinyl chloride), the main component is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness and ductility.
Appearance
The PVC drainage pipes with high brightness on the surface are of high quality.
The color of some inferior PVC drainage pipes is either white or yellow, and is brittle and hard, with uneven color, and some have smooth outer walls, while the inner walls are rough or have small holes.
Toughness
The pipes should have sufficient toughness. To save costs and improve profits, excessive calcium powder is added to the pipes for low-quality PVC-U drainage pipes. Such inferior pipes are cheap but easy to break.
High-quality PVC-U pipes have strong hardness and toughness. Even if they are rolled by a car, they will be flat but not broken.
Corrosion resistance
Good PVC drainage pipes are not affected by corrosive soil; pipes have excellent corrosion resistance to chemicals including strong acids and alkalis; they are not attacked by fungi and bacteria; they are resistant to termites, weathering, odorless, odorless, and non-toxic; Under normal use conditions, the lifespan can reach more than 30-50 years.
Ductility
This is also the key to testing the quality of PVC pipes. To test the ductility of PVC pipe is very simple, just break a PVC pipe from both ends to the middle. Good quality PVC pipes will not be easily broken and deformed, while inferior pipes will not be able to withstand and break.
Thickness
To choose a good PVC pipe, the first thing to look at is whether the thickness of the pipe wall is qualified. Generally speaking, chemical-grade pipes are thicker than normal pipes.
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