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BEIHAI YUEDA FRP PRODUCTS
Analysis of the Development, Applications, and Advantages of Fiberglass Pipes
Release time:
2020/03/02
With the acceleration of urbanization in China, various levels of government are increasing their investment in urban infrastructure year by year to balance and protect population, resources, and the environment. In conjunction with the needs of advanced scientific technology, the variety and specifications of pipes and fittings are continuously enriched, production is steadily increasing, and quality is constantly improving. In particular, the development of plastic pipes has accelerated, making them a current investment hotspot. Fiberglass pipes are one of these. Currently, fiberglass pipes have been widely applied in industries such as petroleum, electricity, chemicals, papermaking, urban water supply and drainage, factory wastewater treatment, seawater desalination, and gas transportation. Here are some excellent characteristics of fiberglass pipes: 1. Aging resistance.
With the acceleration of urbanization in China, facing the balance and protection of population, resources, and the environment, governments at all levels are increasing their investment in urban infrastructure year by year. In conjunction with the needs of advanced science and technology, the variety and specifications of pipes and fittings are constantly enriched, production is continuously increasing, and quality is continuously improving, especially the rapid development of plastic pipes, which has become a hot investment topic. Fiberglass pipes are one of them.
Currently, fiberglass pipes have been widely used in industries such as petroleum, electricity, chemical engineering, papermaking, urban water supply and drainage, factory wastewater treatment, seawater desalination, and gas transmission. Here are some excellent characteristics of fiberglass pipes:
1. Good aging resistance and heat resistance. Fiberglass pipes can be used for a long time within the temperature range of -40℃ to70℃, and those made with special high-temperature resistant resin can work normally at temperatures above200℃.
2. Good corrosion resistance. Since the main raw materials of fiberglass are unsaturated polyester resin and glass fiber, they can effectively resist the corrosion of acids, alkalis, salts, and other media, as well as untreated domestic sewage, corrosive soil, chemical wastewater, and many chemical liquids, maintaining safe operation for a long time under normal conditions.
3. Good frost resistance. Below -20℃, the pipes will not crack due to freezing after ice forms inside.
4. Lightweight and high strength. The relative density is between 1.5 and 2.0, only1/4 to 1/5，可是拉伸强度却接近，甚至超过碳素钢，而比强度可以与高级合金钢相比。因此，在航空、火箭、宇宙飞行器、高压容器以及在其他需要减轻自重的制品应用中，都具有卓越成效。
5、耐磨性好。把含有大量泥浆，沙石的水，装入管子中进行旋转磨损影响对比试验。经300万次旋转后，检测管内壁的磨损深度如下:用焦油和瓷釉涂层的钢管为0.53mm，用环氧树脂和焦油涂层的钢管为0.52mm，经表面硬化处理的钢管为玻璃钢管为0.21mm。由此玻璃钢耐磨性能好。
6、可设计性好。可以灵活地设计出各种结构产品，来满足使用要求，可以使产品有很好的整体性。
7、电热绝缘性好。玻璃钢是非导体，管道的电绝缘性特优，绝缘电阻在1012-1015Ω.cm，最适应使用于输电，电信线路密集区和多雷区玻璃钢的传热系数很小，只有0.23，是钢的千分之五，管道的保温性能优异。
8、摩擦阻力小输送能力高。玻璃钢管内壁非常光滑，糙率和摩阻力很小。糙率系数为0.0084，而混凝土管的n值为0.014，铸铁管为0.013。
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