GuangDong Advanced Thermoplastic Polymer Technology Co., Ltd.
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Types of Thermoplastic Pipes

The commonly used thermoplastic pipes in HVAC engineering are as follows (arranged according to the order of pipe ring stress value):


1. Thermoplastic polybutene tube


It is a thermoplastic pipe extruded from polybutene-1 resin with an appropriate amount of additives, usually marked with PB. Except for the products of individual enterprises that can be hot-melt connected, they are generally connected by mechanical joints.


2. Thermoplastic cross-linked polyethylene pipe


It is a pipe made of polyethylene or ethylene copolymer with a density greater than 0.94g/c, adding an appropriate amount of additives, and cross-linking its linear macromolecules into a three-dimensional network macromolecular structure by chemical or physical methods, usually in the form of PE-X mark.


According to different cross-linking methods, it is divided into peroxide cross-linked polyethylene (PE-Xa), silane cross-linked polyethylene (PE-Xb), radiation cross-linked polyethylene (PE-Xc), azo cross-linked polyethylene (PE-Xd) etc. Connected with mechanical joints.


3. Thermoplastic heat-resistant polyethylene pipe


A special linear medium-density ethylene copolymer obtained by copolymerizing ethylene and octene, adding an appropriate amount of additives, and extruding a thermoplastic pipe, usually marked with PE-RT. Hot melt connection can be used. Depending on the material, the pipe has different allowable stresses.


4. Thermoplastic random copolymer polypropylene pipe


It is a random copolymer of propylene and an appropriate amount of ethylene, adding an appropriate amount of additives, extruded thermoplastic pipes, which can be hot-melt connected, usually marked with PP-R. Hot melt connection can be used.


5. Thermoplastic block copolymer polypropylene pipe


With propylene and ethylene block copolymer, adding appropriate amount of additives, the extruded thermoplastic pipe can be hot-melt connected, usually marked with PP-B; in China and South Korea, it was also marked with PP-C in the past. Hot melt connection can be used.


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The main products include TPU, TPEs, LSZH, XLPE, etc. Widely used in new energy vehicles, medical equipment, robots, 5G communications, building wiring, rail transit, military aerospace, smart wear, consumer electronics and other hot fields. Professional, cutting-edge, stable.


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Types of Thermoplastic Pipes

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