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Introduction
Geotextiles are indispensable materials in modern engineering construction. It is widely applied in fields such as water conservancy projects, transportation infrastructure, and environmental protection governance. PVC coated fabric is the preferred material in the field of geotextiles. Starting from the characteristics of PVC-coated fabrics, I will analyze the core advantages of making geotextiles from them and provide you with practical suggestions.
The core advantages of PVC coated fabrics
PVC (polyvinyl chloride) coated fabric is formed by evenly coating PVC resin on high-strength polyester fiber base fabric, creating a composite material that combines flexibility and protection. This process endows the material with the following natural advantages, making it the golden partner of geotextiles:
Tear resistance and puncture resistance: The combination of high-strength fibers in the base fabric and the PVC coating can effectively resist damage from sharp objects such as stones and tree roots, thereby extending the service life.
Outstanding chemical stability: The PVC coating has strong resistance to corrosive substances such as acids, alkalis, and salts, making it particularly suitable for harsh environments like landfill sites and areas around chemical plants.
Dual guarantee of waterproofing and seepage prevention: The dense coating structure achieves 100% seepage prevention while maintaining good air permeability to prevent structural damage caused by water accumulation.
Ultraviolet protection upgrade: The PVC layer with UV-resistant additives can resist long-term aging due to sunlight, and its service life in outdoor environments can reach more than 10 years.
Compared with traditional materials
PVC coated fabric | Ordinary non-woven geotextile | PE coating material | |
Tear resistance | ★★★☆☆ | ★★★★☆ | |
Anti-seepage performance | Fully anti-seepage | Partially permeable | Anti-seepage, but prone to aging |
Using Temperature | -40℃~100℃ | -50℃~60℃ | |
Convenience of construction | Allows for welding and sewing | only for sewing | Welding requirements are high. |
Conclusion
Geotextiles made of suitable materials can not only improve the quality of the project but also control costs. PVC coated fabric is an excellent geotextile material. It is suggested that geotextile manufacturers establish a complete supplier evaluation system, verify the material performance in combination with third-party testing institutions, and at the same time pay attention to the latest technological trends in the industry.
