PE plastic pipe What are the characteristic advantages?
HDPE pipe is an emerging quality pipe in the domestic building materials market, also known as “PE pipe” and “PE plastic pipe”, which can be distinguished as HDPE solid wall pipe, HDPE composite pipe, HDPE structural wall pipe and other categories.
At present, the new domestic polymer (plastic) pipe is developing steadily, and PE pipe, PP-R pipe, UPVC pipe all have a place, among which the development of PE pipe in public works is the most remarkable, and PE pipe is used in a wide range of fields, among which supply/drainage pipe, power/communication pipe, gas pipe, sewage pipe are the main uses. We have jwell recycled PP/PE deck board extruder
Compared with traditional metal pipes and cement pipes, PE pipes have the advantages of light quality, corrosion resistance, low resistance to water flow, good comprehensive energy saving, easy transportation and installation, and long service life. The materials used in polymer pipes (plastic pipes) are mainly polyvinyl chloride (PVC), polyethylene (PE) and polypropylene. Compared with other plastic pipes (such as PVC), high-density polyethylene (HDPE) pipes have the characteristics of low density (light weight), good toughness, corrosion resistance, good insulation properties, easy construction and installation.
Polyvinyl chloride (PVC) under the action of heat, oxygen and light, the structure will change. Therefore, stabilizers must be added to PVC processing. Since the additives used in PVC (such as stabilizers and plasticizers) have been frequently criticized in recent years, and its flexibility and chemical resistance are not very good, HDPE pipes are gaining importance and popularity. All kinds of electrical pipes, water supply/drainage pipes, sewage pipes, gas pipes and even large sand pumping pipes, culvert pipes, water pipes for high-rise buildings are also more and more common to use HDPE pipes.For example, our jwell PVC water supply pipe extruder
Five characteristics of HDPE pipe
Rigidity and Flexibility
Since the geology of the island is in the seismic zone, coupled with the uneven subsidence of the ground caused by excessive groundwater extraction or gravel extraction in some areas, the rigid structure of concrete pipes, cast iron pipes and other pipes will be easily ruptured in the pipe body or joint area in the event of strong earthquakes or uneven displacement of the ground, thus damaging the structure.
The longer the length of each pipe, the fewer joints are needed for construction, and the less joints are used, which can reduce the cost and the chance of leakage. HDPE pipes can be 5-10m in length, and 50-100m with coiled pipes, which can effectively reduce the project cost.
Concrete pipe itself has cracks and seepage phenomenon and is not resistant to acid and alkaline; PVC pipe is not suitable for deeper burial due to poor external pressure strength, and PVC pipe itself has toxicity, which has been banned in Europe; cement pipe is a rigid structure, its shock resistance is poor, and the breakage rate is also high. As for HDPE pipe, it is not only weather resistant, but also has chemical corrosion resistance, and its service life can reach 50 years.
HDPE pipe is very competitive in terms of safety, service life and construction cost of the entire pipe design, especially when the mass production reaches economic scale, its advantages are self-evident.
The PVC (polyvinyl chloride) pipes commonly used in Taiwan today have been experimentally proven to contain heavy metal stabilizers that will leach out in trace amounts and affect human health after long-term use, and produce large amounts of chlorine gas and the toxic substance Dioxin when recycled and burned, which seriously affects the quality of the environment. Most of the countries have banned the use of the requirements.
Nowadays, with the high awareness of environmental protection, many countries adopt HDPE pipes in large quantities, and the ratio of HDPE pipes in advanced countries such as Europe and America is even more than 90%, because HDPE is easy to recycle and remanufacture, even if it burns, it will not produce substances harmful to human body or the earth’s environment.
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