HDPE pipe is a kind of pipe that is often used in daily life. I believe many friends don't know much about HDPE pipe. So, what is HDPE pipe? How to weld HDPE pipe? Which is safer, HDPE or PE?
What is HDPE pipe?
HDPE pipe is high density polyethylene, which is a thermoplastic resin. HDPE tube has high crystallinity, non polarity and excellent conductivity, so it is widely used in wires and cables.
HDPE pipe has excellent wear resistance, super high shear strength and outstanding cracking resistance. According to the data, the wear resistance of HDPE pipe is better than that of steel pipe, even four times higher, which shows that the service life of HDPE pipe is also longer
HDPE pipe can be used at high temperature, and its resistance is very good, so it is not easy to break the pipe. In addition, HDPE pipe has strong corrosion resistance and will not degrade even if there are many chemicals in the soil. The connection between its pipes is very firm, and can also be connected by electrothermal melting.
How to weld HDPE pipe?
There are two ways of butt welding connection and hot melt connection. Butt welding is suitable for prefabrication in the Prefabrication Yard, and hot melt is more suitable for on-site construction, which is more convenient. Hot melt connection can be made by purchasing hot melt machine. In case of small diameter, it can be connected with PPR hot-melt machine. Buy complete sets of equipment for large caliber
Which is safer, HDPE pipe or PE pipe？
Both DPE pipe and PE pipe belong to olefins. HDPE pipe is polyvinyl chloride, which is the strongest of the three olefins. PE pipe is polyethylene, which is divided into low-density polyethylene, high-density polyethylene and linear low-density polyethylene.
2. HDPE pipe is relatively brittle, while PE has good flexibility and high pressure resistance. Now it is used for water supply and drainage.
PE pipes made of raw materials are white and non-toxic. They can be used as water supply pipes and can be bent. They are commonly used in rural drinking projects, water-saving irrigation and other projects. HDPE pipes are not recommended to be used as water supply pipes and are often used in farmland irrigation projects and urban drainage projects.
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