With the development of new materials, the advantages of traditional pipes are not that obvious yet. The rust and corrosion problems disturb the steel pipes for long term. Besides, the environmental protecting theory becomes more and more popular. Therefore, more and more steel pipes have been has been replaced by plastic pipes. HDPE is a typical representative. Then why HDPE can replace the traditional pipes? Because it has special properties that steel pipe doesn’t have. Let me introduce you next.
Unique connect method
The connection method in HDPE pipe system is hot melt or electrical melt. As a result, the strength of connectors is much higher than the pipe itself. Therefore, the connection is reliable.
Good low temperature impact resistance
PE has extremely low embrittlement temperature and can work safely in the temperature between -60℃ and 60℃. When construct in winter, there is no brittle fracture on the pipe because its excellent impact resistance.
Excellent stress crack resistance
HDPE has low notch sensitivity, high cut strength as well as excellent scrape resistance. Moreover, it’s cracking resistance is also outstanding.
Great chemical corrosion resistance
HDPE pipe resists the corrosion from many chemicals. Besides, the chemicals in the earth will never cause degradation to the pipe. What’s more, PE is an insulator, so it will not corrode and rust. In additional, it can control the growth of germs and alga.
HDPE has 2-2.5% content of carbon black. Therefore, it can work or store in the wild over 50 years without damaged by the weather.
According to the test, the abrasion resistance of HDPE pipe is 4 times of the steel pipe. Thus if transfer slurry or other abrasive mediums, HDPE pipe has longer working life. It will also helps save cost.
Easy to operate
HDPE is quite light in weight than steel or other metal pipes. Thus it’s easy to transfer and install.
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