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PEX Pipe
Material: HDPE
Color: Black mainly
Length: 6 meters or customized
Characteristic: Corrosion preventive and Energy saving.
Shanghai Metal Corporation is a leading PEX PIPE manufacturer and supplier.
PEX pipe, also known as cross-linked polyethylene pipe, is made of polyethylene material. The linear molecular structure of polyethylene is transformed into a three-dimensional network structure through physical and chemical methods, thereby improving the performance of polyethylene.
If you want to know more about our PEX PIPE or get price please feel free to contact us, we will reply you within 24 hours.
Technical Information of PEX Pipe:
1. Main Material
The main raw material for the production of PEX pipes is HDPE, as well as initiators, cross-linking agents, catalysts and other auxiliaries. Other modifiers can be added if there are special requirements.
2. Production Process
Raw material pretreatment + auxiliary agent preparation → mixing → melt graft extrusion → pipe forming → crosslinking → inspection packaging → finished product.
3. The role and purpose of additives
The cross-linking agent cracks the original linear molecular structure to form a graft material, and then forms a three-dimensional network structure. The role of antioxidants and color particles is to improve the corrosion resistance of PEX tubes, prevent long-term sunlight exposure from changing physical properties, and can resist long-term erosion of ultraviolet rays, thereby extending their service life.
Similarities and differences in performance of PEX pipe, PVC-U pipe and Aluminum-Plastic composite pipe:
In terms of performance, the three types of pipes have some differences in addition to the common features of non-corrosion, non-scaling, non-producing bacteria and easy installation:
a. Excellent temperature resistance
The service temperature of PEX pipe is -70～110℃, the service temperature of UPVC pipe is 5～45℃, and the service temperature of Aluminum-plastic composite pipe is -40+～85℃.
b. Anti-vibration performance
Because UPVC pipes are glued together, their anti-vibration performance is slightly inferior to that of aluminum-plastic composite pipes and PEX pipes.
c. Service life
The service life of UPVC pipe and aluminum-plastic composite pipe is about 20-30 years, and that of PEX pipe is about 50 years.
d. Chemical resistance
Due to its molecular structure, PEX tubes can transport a variety of chemical substances even at high temperatures without being corroded.
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