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BEIHAI YUEDA FRP PRODUCTS
Introduction and Advantages of Glass Fiber Reinforced Plastic (FRP) Sand-Laden Pipes
Release time:
2022/03/07
Fiberglass reinforced sand pipes are a newly released pipeline product in the drainage field, capable of installing underground pipelines without excavation. They can be directly installed through roads, railways, rivers, floors, and underground structures. Fiberglass reinforced sand pipes have characteristics such as corrosion resistance, lightweight, smooth inner walls, high traffic capacity, and good adaptability to geological conditions.
Glass fiber reinforced sand pipeIt is a newly released pipeline product in the drainage field, which can complete the installation of underground pipelines without excavation. It can directly pass through roads, railways, rivers, floors, and underground buildings.Glass fiber reinforced sand pipeIt has characteristics such as corrosion resistance, lightweight, smooth inner wall, large flow capacity, and good adaptability to geological conditions. Therefore, glass fiber reinforced plastic, also known as glass fiber reinforced plastic, is a new type of composite pipe made of glass fiber, unsaturated polyester resin, and quartz sand filler. The glass fiber reinforced sand pipe is mainly formed by two methods: computer-controlled reciprocating cross-winding and centrifugal casting, possessing a series of excellent characteristics. It is one of the industrial pipes widely used in developed countries such as the United States and Europe.
The reciprocating cross-wound pipe wall structure has a wall structure from inside to outside (lining layer, inner winding layer, resin mortar layer, outer winding layer, outer protective layer). The lining has anti-corrosion and anti-seepage functions, the winding layer and resin mortar layer provide strength and rigidity to the pipe, and the outer protective layer has anti-aging, anti-corrosion, and UV resistance functions. The composite material design is best reflected in the glass fiber filler, which is a newly released pipeline product in the water supply and drainage field, capable of completing underground pipeline installation without excavation, and can directly pass through roads. Due to its corrosion resistance, lightweight, smooth inner wall, large flow capacity, and good adaptability to geological conditions, it has become the preferred pipeline material for the renovation of urban pipeline networks in medium and large cities.Glass fiber reinforced sand pipeThe lining has anti-corrosion and anti-seepage functions, the winding layer and resin mortar layer provide strength and rigidity to the pipe, and the outer protective layer has anti-aging, anti-corrosion, and UV resistance functions, which is the best manifestation of the design possibilities of composite materials.
Glass fiber reinforced sand pipeAdvantages include:
Lightweight, high strength, fatigue resistance
The fatigue performance of glass fiber reinforced materials is good. The fatigue failure of metal materials develops suddenly from the inside out, often without prior warning. In fiber composite materials, the interface between fibers and gas can prevent crack propagation and fatigue.
Excellent hydraulic characteristics
Glass fiber reinforced pipes not only have a small friction coefficient and high transport capacity but also significantly reduce the pressure loss of liquid in the channel, improving liquid transport capacity. Glass fiber reinforced pipes are smooth pipes, and when using glass fiber reinforced pipes under the same power and flow conditions, the pipe diameter can be reduced by 1-2 pipe diameter grades compared to steel pipes. Failure always starts from the weak parts of the material. Glass fiber reinforced pipes can change the structural fiber layer according to the circumferential direction and axial force, causing changes in the circumferential strength and axial strength of the pipe, thus maintaining consistency with the stress state.
Good corrosion resistance
Glass fiber reinforced sand pipeThe main raw materials consist of high molecular unsaturated polyester resin and mineral glass fiber. Unlike ordinary metals that suffer from electrochemical corrosion, it is non-conductive and does not dissolve ions in electrolyte solutions. It has good adaptability, especially in strong oxidizing acids and a wide range of pH values. Some corrosive media that stainless steel could not solve in the past, such as hydrochloric acid, chlorine, carbon dioxide, and dilute sulfuric acid, can be effectively resisted by glass fiber reinforced materials. Glass fiber reinforced materials have good chemical stability against the atmosphere, water, and general concentrations of acids, bases, and salts, effectively resisting corrosion from acids, saline-alkali solutions, untreated domestic sewage, industrial wastewater, corrosive soils, chemical wastewater, and countless chemical liquids. The thermal stress generated by metals under temperature differences of 1/100 to 1/1000000 is lower than that of metals, making it suitable as a good thermal insulation material and for instantaneous high-temperature applications. Glass fiber reinforced pipes can be used for a long time within a temperature range of -40 to 120 degrees Celsius, and special formulations of high-temperature resin can operate normally at temperatures above 200 degrees Celsius. For pipes used outdoors for a long time, UV stabilizers are added to the outer surface to eliminate radiation from UV light, addressing the aging issue of the pipes.
Long service life, safe and reliable.
Easy to install and maintain
Glass fiber reinforced pipes are lightweight, high-strength, and highly plastic, making them easy to transport and install. They are flexible hoses that prevent uneven subsidence of foundations. Additionally, various branch pipes can be easily installed under various conditions, and users can easily master the installation technology of glass fiber reinforced pipes after training.
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