Trends in the Development of Plastic Corrugated Hose Technology
Release time:
2025-11-10
As times evolve, every industry has its own room for advancement, and the range of tools and resources available to us is steadily expanding. I’m sure everyone has seen corrugated pipes and has a basic understanding of them. Among these, we’ve probably encountered plastic corrugated hoses most often. So, what are the current trends in the development of plastic corrugated hose technology? Let’s take a closer look.
With the advancement of the times, every industry has its own room for growth, and the range of tools available to us is continually expanding. I’m sure everyone has seen corrugated pipes and has a basic understanding of them. Among these, we’ve probably encountered plastic corrugated hoses most often. So, what are the current development trends in plastic corrugated hose technology? Let’s take a closer look.
The plastic used in plastic corrugated hoses is a new type of hole-forming material that, compared to metal corrugated pipes, offers the following advantages: The raw material for plastic corrugated pipes is HDPE. Its corrosion resistance is far superior to that of metals—it is immune to both acid and alkali corrosion and does not corrode itself, thereby effectively protecting prestressing tendons from corrosion. Many prestressed structures are exposed to severe external factors, such as de-icing salts or saline solutions. When post-tensioned components suffer from failure of the waterproof layer, microcracks causing water leakage, or blockage or malfunction of drainage systems, the prestressing tendons may become susceptible to corrosion. In such cases, the waterproofing is insufficient to prevent water infiltration and protect the grout and prestressing tendons from damage. By contrast, plastic corrugated pipes provide a barrier protection for prestressing tendons that is significantly superior to that offered by metal corrugated pipes, effectively preventing harmful substances from penetrating and contaminating the ducts, thus ensuring better durability of post-tensioned prestressed structures. Under the same conditions, the coefficient of friction in the ducts formed by SBG(B) plastic corrugated pipes is markedly lower than that in ducts formed by metal corrugated pipes, thereby reducing friction losses during the tensioning process.
Generally, the coefficient of friction for plastic corrugated pipes is 0.14, whereas that for metal corrugated pipes is 0.25. Plastic corrugated pipes have high strength, are resistant to being stepped on or compressed, and are less likely to be punctured by vibration rods. They also exhibit superior sealing and anti-leakage performance compared to metal corrugated pipes, making them particularly suitable for vacuum grouting. Plastic corrugated pipes are non-conductive, which helps prevent corrosion caused by stray currents, whereas metals are excellent conductors of electricity. Moreover, plastic corrugated pipes offer better fatigue resistance, significantly enhancing the fatigue life of structural components.
Plastic corrugated hoses are widely used, and their application has brought us great convenience.
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