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FRP is often used in construction engineering, automobile industry, chemical manufacturing and other fields because of its small quality, corrosion resistance, heat insulation, electric green and other characteristics, and plays a very important role in industry. The research on the development of FRP at home and abroad shows that with the rapid development of science and technology, the application of glass mesh materials is becoming more and more broad, and it still has great development potential in the future.

1. FRP Overview

glass fiber reinforced plastic, also known as GFRP, that is, fiber reinforced plastic, generally refers to the use of glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin matrix, glass fiber or its products as reinforced plastic, known as glass fiber reinforced plastic, or glass steel, different from tempered glass.

due to the use of different varieties of resin, so there are polyester glass steel, epoxy glass steel, phenolic glass steel. Light and hard, non-conductive, stable performance, high mechanical strength, less recycling, corrosion resistance. It can replace steel to make machine parts and shells of automobiles and ships.

with the development of China's glass steel industry, as a plastic-based reinforcing material, it has been expanded from glass fiber to carbon fiber, boron fiber, aramid fiber, alumina fiber and silicon carbide fiber. Undoubtedly, these new fibers are made of reinforced plastics. It is a number of high-performance fiber reinforced composite materials, and then the common name of glass steel cannot be summarized. Taking into account the origin and development of history, usually using glass fiber reinforced plastic composite materials, such a name is more comprehensive.

The scientific name of glass fiber reinforced plastic, commonly known as FRP(Fiber Reinforced Plastics), that is, fiber reinforced composite plastic. According to the different fibers used, it is divided into glass fiber reinforced composite plastics, carbon fiber reinforced composite plastics, boron fiber reinforced composite plastics, etc. It is a composite material with glass fiber and its products (glass cloth, belt, felt, yarn, etc.) as reinforcing material and synthetic resin as matrix material.

Because FRP has the characteristics of light weight, high strength, good insulation, fatigue resistance, corrosion resistance, convenient processing and forming, and easy maintenance, it has been widely used in the power industry. The application of glass fiber reinforced plastic composite materials in the power industry In addition to traditional power transmission and transformation equipment and facilities, glass fiber reinforced plastic towers and composite cable cores have become one of the hot spots in the industry.

fiber-reinforced composites are composed of reinforcing fibers and a matrix. The diameter of the fiber (or whisker) is very small, generally below 10 μm, with fewer and smaller defects, and the fracture strain is less than 30‰. It is a brittle material and is easy to be damaged, fractured and corroded. The matrix is much lower in strength and modulus than the fiber, but it can withstand large strains, often with viscoelasticity and elastoplasticity, and is a ductile material.

2. FRP Industry Survey

FRP is often used in construction engineering, automobile industry, chemical manufacturing and other fields because of its small quality, corrosion resistance, heat insulation, electric green and other characteristics, and plays a very important role in industry. The research on the development of FRP at home and abroad shows that with the rapid development of science and technology, the application of glass mesh materials is becoming more and more broad, and it still has great development potential in the future.

According to China Research Institute of Industry"2023-2028 China's glass steel industry development prospects strategy and investment risk forecast analysis report"analysis:

At present, the global glass fiber industry has formed a complete industrial chain from glass fiber, glass fiber products to glass fiber composite materials. Its upstream industries involve mining (pyrophyllite, limestone and other non-metallic minerals), chemical industry (soda ash, etc.) and energy (natural gas, electricity, etc.), and downstream industries involve building materials, electronic appliances, rail transit, petrochemical industry, automobile manufacturing and other fields. Looking at the overall development trend of the industry, during the "14th Five-Year Plan" period, the demand for the composite material enhancement market, the industrial textile market, and the copper clad laminate market are expected to remain higher than the current national GDP of about 2-3 points, 4 points, and 3 points. The year-on-year growth rate of about points.

The 14th Five-Year Development Plan for the Glass Fiber Industry (hereinafter referred to as the "Plan") organized by the China Glass Fiber Industry Association was issued. The "Plan" proposes that during the "14th Five-Year Plan" period, the glass fiber industry should take innovation as the driving force and demand as the guide, and vigorously implement the supply-side structural reform of the glass fiber industry. Strictly control the excessive growth of industry production capacity, and actively do the application research, product development and market expansion of glass fiber and products. We will actively do a good job in technological progress and equipment innovation in the industry, and strive to promote the transformation of the whole industry to intelligent, green, differentiated and high-end, so as to achieve high-quality development.

3. glass steel industry prospects

glass is currently the largest building material in China, accounting for more than 70% of the demand for real estate in China, and with the continuous changes in the real estate market, the demand for glass is also increasing. The China Construction Association announced the "Statistical Analysis of the Development of the Construction Industry in 2021". The report stated that in 2021, the construction area of construction sites reached 15.755 billion square meters, an increase of 5.41 percent year-on-year and an increase of 1.72 percent year-on-year, maintaining steady growth for two consecutive years.

With the national relevant industry revitalization plan and increase investment in infrastructure, for the FRP industry, the construction industry and transportation industry are the largest application areas of glass fiber. At the same time, the demand for glass fiber in industries such as new energy and electricity will continue to grow. Glass fiber reinforced thermoplastic composites are getting more and more attention, and the FRTP market is expected to grow significantly in recent years. According to the development of China's FRP industry, it is expected that the demand for glass fiber will have double-digit growth every year in recent years.

Created on:2023-07-29 09:53
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