With the rapid development of science and technology, more and more PVC pipes have appeared on the market.
These PVC pipes are mainly used in the surface packaging of various types of panels, mainly in building materials, packaging, medicine and other industries.
However, in real life, people do not know much about the characteristics of this pipe, and they have no idea how to correctly identify PVC pipes.
Below, the editor will share some relevant knowledge about PVC pipes, hoping to help everyone, so that people can better apply it and realize its corresponding price.
The price of PVC pipes Zhongtai PVC construction rainwater pipes: ¥15.36 (price source, for reference only).
Miwei factory direct sales of high-quality PVC water supply pipe: ¥10.5 (price source, for reference only).
Hebei Changtong high-quality PVC drainage pipe: ¥12 (price source, for reference only).
Smooth dry PVC drainage pipe: ¥12 (price source, for reference only).
Laiwang PVC drainage pipe: ¥11 (price source, for reference only).
Advantages of PVC pipes: 1. It has good tensile and compressive strength: but its flexibility is not as good as other plastic pipes.
2. Small fluid resistance: The pipe wall of PVC-U pipe is very smooth and has very little resistance to fluid. Its roughness coefficient is only 0.009. Its water transport capacity can be 20% higher than that of cast iron pipes of the same diameter and 40% higher than that of concrete pipes.
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3. Excellent corrosion resistance and chemical resistance: PVC-U pipes have excellent acid resistance, alkali resistance, corrosion resistance, and are not affected by moisture and soil pH. No anti-corrosion treatment is required when laying pipes.
4. Good water tightness: The installation of PVC-U pipes, regardless of whether they are connected by bonding or rubber rings, has good water tightness.
5. Anti-gnawing: PVC-U pipe is not a nutrient source, so it will not be eroded by rodents.
According to tests conducted by the National Sanitation Foundation in Michigan, rats will not bite PVC-U pipes.
6. Performance test: Curing time, shrinkage rate, splitting strength, tensile property, peel strength, thermal stability, applicable period, release of harmful substances during storage period.
PVC pipe identification method 1: First look at the surface finish and whiteness.
2: Take the sample and smash it. Those that break easily are usually high-calcium products. Of course, it must meet your requirements and the price is right.
3: Take the sample and step on the edge of the pipe to see if it can crack or the elongation at break after cracking.
(Generally, you have to set up the pipeline before trying it, haha, otherwise they won’t let you step on it) 4: Weather resistance.
The most direct way is to store it in a high-temperature and high-gloss place for a few days to see the surface change rate, but this is too time-consuming.
Just focus on the first 3 items.
The above is the relevant knowledge about PVC pipes that the editor has shared with you in detail.
We hope that everyone can better understand the relevant content of PVC pipes through the content we share. Through the introduction of these contents, we hope that everyone can understand something about PVC pipes.
In short, I hope that the above knowledge points can play a certain role and be helpful to everyone.
Only by truly understanding these contents can we help people apply it better, realize its corresponding value, and achieve the corresponding purpose.