PE-RT tube: hot melt but easy to adulterate
Although PE-RT pipe is not a new product as advertised by some manufacturers, since entering the domestic market, the pipe has been recognized by the market in a very short period of time, and its share in the heating pipe market is increasing. Increased, there is a great potential to catch up with PE-X pipes.
PE-RT pipe is currently the only plastic pipe that can exhibit excellent long-term hydrostatic performance under high temperature and high pressure without cross-linking. Under the conditions of working temperature of 70℃ and pressure of 0.8Mpa, PE-RT pipe can be used safely for more than 50 years. Unlike PE-X pipes, PE-RT pipes have good thermal melting properties, so when the heating system is accidentally damaged, maintenance personnel can use pipe fittings to repair the PE-RT pipes by hot melting. In addition, there will be no joints at the connection of the repaired PE-RT pipe. This greatly improves the quality of the heating system repair, and reduces the occurrence of common heating system accidents such as running, leaking, dripping, and leaking.
In addition, the PE-RT pipe has excellent thermal conductivity, smooth inner wall and low frictional resistance to water, which can reduce scale and avoid pipeline blockage, which is very beneficial for improving the heat transfer efficiency of the heating system and reducing energy consumption. Moreover, compared with PE-X pipes, PE-RT pipes can also be recycled and reused, which has less impact on the environment.
The raw materials used to process PE-RT pipes must be high-temperature-resistant special PE raw materials (referred to as "special materials"), not ordinary PE (polyethylene). At first, this special material could only be made by copolymerization of ethylene and octene. Later, due to technological progress, this special material could be made by copolymerization of ethylene and octene, or by copolymerization of ethylene and hexene, ethylene and butene.
Some PE-RT pipe manufacturers take advantage of the above-mentioned characteristics of the pipe and reduce the production cost by mixing special materials with linear low-density polyethylene in the process of processing the PE-RT pipe. Some manufacturers directly use non-special materials to produce PE-RT pipes. As the two most commonly used heating pipes in the heating pipe market, PE-X pipes and PE-RT pipes have their own advantages and disadvantages. In the eyes of industry insiders, no matter which kind of pipe is overly admired, it is unscientific.
PEX and PERT pipes are both suitable for heating systems, but each has its advantages and specific applications.
PEX pipes are high-performance plastic pipes that can be used in underfloor heating, wall-mounted boilers, radiators, and hot water systems. PEX pipes are characterized by high strength, good chemical corrosion resistance, high-temperature resistance, strong impact resistance, good sealing performance, and easy installation. Due to their excellent high-temperature resistance, PEX pipes are an excellent choice for high-temperature heating systems.
PERT pipes are high-temperature and pressure-resistant plastic pipes that can be used in underfloor heating, wall heating, radiators, and other systems. PERT pipes are characterized by high strength, good chemical corrosion resistance, good elasticity, high-temperature resistance, pressure resistance, and easy installation. PERT pipes also have excellent high-temperature resistance, making them an excellent choice for high-temperature heating systems.
In summary, both PEX pipes and PERT pipes are suitable for heating systems, and the specific choice should be determined based on the specific heating needs and environmental conditions.
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