PE VS PVC? The best of the best!
Release time:
2025-02-28
Source:
What is the difference between PE pipe and PVC pipe? PE is polyethylene plastic, the most common type of plastic.
There are two giants in plastic pipes: PE series pipes and PVC series pipes. Some people ask, which one is better, PE or PVC material?What is the difference between PE pipe and PVC pipe?
PE is polyethylene plastic, the most common type of plastic.PE pipe, also called high-density polyethylene pipe, has the characteristics of high strength, high temperature resistance, corrosion resistance, non-toxicity, abrasion resistance, etc. It is widely used in the field of water supply and drainage and water pipe manufacturing. Because it does not rust, it is, therefore, an ideal pipe to replace ordinary iron water supply pipes.
The main component of PVC is polyvinyl chloride, adding other components can enhance its heat resistance, toughness, ductility, etc. PVC pipe is made of polyvinyl chloride resin with stabilizers, lubricants, etc. with the hot press method of extrusion molding, is the earliest development and application of the plastic pipe. PVC pipe corrosion resistance, easy to bond, low price, hard texture, but only for conveying the temperature of not more than 45 ℃ of the water supply system. It is the first plastic pipe to be developed and applied.
Production standards:
PE water pipe standard GB/T13663-2000, PVC water pipe standard GB/T10002.1-2006. the standard for the two wall thickness and performance indicators are different.
Strength comparison:
The strength of PVC is better than PE, PE toughness (impact resistance) is better than PVC. PE can be used in minus 20 degrees (the internal fluid can not be frozen, to maintain the flow state), the pipe is softer, smaller diameter pipe can be made of coiled pipe, and PVC pipe is harder, can not be coiled pipe.
Connection method comparison:
PE pipe with heat fusion connection, the connection is more solid, high strength; PVC pipe small diameter with wire connection, large caliber with rubber ring connection, connection safety performance is a little worse, but convenient, construction cost is also lower.
Price comparison:
The same pressure PE pipe wall thickness is thicker, more expensive; and PVC to be thinner, cheaper.
Summarize:
PE pipe safety and non-toxic, flexibility, impact resistance are better than PVC, can be used as underground gas piping, water piping, PVC pipe with a long time with chloride ions precipitation, not suitable for water piping, impact resistance is poor, is not suitable for gas piping, but the PVC pipe price is low, hardness is high, by the influence of the temperature of the thermal expansion and contraction of a small, commonly used in drainage, gravity rainwater piping.
The material determines the performance of the pipe, the two are not directly comparable, the scope of application is also different. You can choose according to your actual needs.
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