The performance characteristics of the HDPE winding structure wall tube are as follows:
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It was learned from Shenyang Auto Parts Export Construction Conference that Shenyang, together with Shanghai, Changchun, and Wuhan, became the first national automobile and parts export base cities identified by the country. According to statistics, although the nation’s auto and auto parts exports maintained rapid growth in 2003, the total export volume was only US$4.71 billion, accounting for only 0.4% of the US$1.2 trillion in the world’s auto and parts and components market. In order to change this situation, the country vigorously develops products with high technological content and large added value, expands the scale, improves the grades, and actively promotes the export of automobiles and parts and components. Among them, supporting the development of autos and parts companies to become bigger and stronger, and accelerating the construction of auto and auto parts export bases is the focus of recent development. The relevant authorities of the country have determined that, through several years of efforts, on the basis of the current situation, 5 to 10 large-scale export bases for automobiles and auto parts will be established throughout the country. At present, the Ministry of Commerce has initially agreed to establish an automobile and auto parts export base in Shanghai’s International Automobile City, Shenyang’s Economic and Technological Development Zone, Wuhan’s “Dongfeng Motor†and Changchun’s International Automobile City. News Source: Auto Parts Business Network
The flat material belt and U-shaped material belt extruded from the mouth die of the extruder in the melting state are evenly wound on the heated roller die according to the predetermined position, which ensures the quality of the fusion joint of the structure wall tube. In particular, in the structural design, the melt joint of the flat material belt is covered by a polyethylene-coated supporting tube, which improves the overall resistance to the external pressure of the product.
2. Good connection quality.
The pipe connection with excellent installation performance adopts the
embedded electric fuse in the socket with the same material socket welding
connection technology. It can achieve zero leakage, ensuring the same life span of the pipeline system and the safety of operation. At the same time, because the product under the condition of the same application as other tubes light weight, and is easy to transport, construction is convenient and quick, and can reduce the construction cost, in the range of applications, without a concrete cushion layer and concrete jaasiel groove can directly apply the tube after qualified, basically, stay do under excavation, side tube, while backfilling, simplifies the construction procedures, shortening the time limit for a project. During the project acceptance, the closed-air test is used instead of the closed-water test, which not only speeds up the acceptance but also saves the complicated work and a lot of test costs in the closed-water test
3. Good flexibility
High-density polyethylene winding structural wall pipe has macro flexibility, and the micro pipe section has strong rigidity and overall resistance to external pressure.
when used under heavy load road surfaces, it can ensure the safety of traffic. Due tothe flexibility of the pipe, it can also reduce the damage loss of the pipe to the minimum in the event of an earthquake, uneven surface settlement, and other geological activities. These characteristics improve the seismic mitigation ability of public facilities.
4. HDPE can be recycled, The main raw material of winding structure wall pipe
is green environmental protection products, such as high-density polypropylene, which doesn`t have any toxicity. There is no dye in the production process. The used pipeline can be 100% recycled. It is a green product of environmental protection.
5. Corrosion resistance, aging resistance, and service life span can be up to 50
years.
High-density polyethylene has the ability to resist chemical corrosion and
erosion. Therefore, when the winding structure wall pipe is conveying corrosive fluid or laying in corrosive soil, it does not need anti-corrosion treatment, and its performance is much better than other pipes. The product in the design process, chooses a reasonable product structure form, to ensure the service life span of the plastic pipe is more than 50 years, and no maintenance is needed in the life span.
6. Tube inner wall roughness, large water transfer around the structure of the
wall tube. Product inner wall roughness N is about 0.010, so the transmission of fluid has lower friction, compared to other products such as cement pipe with a similar diameter the water transfer is greatly improved. Therefore, the smaller HDPE tube can replace the larger cement pipes. In application, under the same conditions, using a wall pipe winding structure can have better reliability compared to the traditional pipe material. The comprehensive benefit is obvious, especially in the narrow construction site, high building density, underground pipeline, complicated traffic busy roads, and acid soil.