In terms of architectural laminated glass, the National Development and Reform Commission's "Several Opinions on Promoting the Structural Adjustment of the Flat Glass Industry" requires "continuously increasing the proportion of self-used deep-processed glass, promoting the promotion and application of energy-saving glass products, solar energy industry glass, etc." With the continuous development of the construction industry and policy guidance, the domestic green and energy-saving glass product application market is expected to continue to expand, and Polyvinyl Butyral Resin (PVB) laminated glass is expected to continue to grow in demand due to its advantages in safety, energy saving, sound insulation, and environmental protection.
Data from the National Bureau of Statistics shows that in 2021, the production of laminated glass in the country reached 132 million square meters, which is a 15% increase from the previous year. From 2017 to 2021, it grew at an average rate of around 8% each year. In recent years, it has maintained an overall growth trend. It is estimated that by 25, the demand for Polyvinyl Butyral Film (PVB film) in the field of architectural laminated glass will reach about 195,000 tons, an increase of about 55,000 tons from the end of 20.
The demand for PVB film in the automotive glass field comes from the demand for glass replacement of existing vehicles and the installation demand of new vehicles. According to data from the National Bureau of Statistics, the number of domestic cars in 2021 and the number of cars produced were approximately 302 million and 26.28 million, respectively, up 7.5% and 3.8% year-on-year. At present, the front windshield of cars has higher requirements for glass safety performance. Most PVB films are used in the front windshield field. Each car windshield needs about 1.021 tons of PVB film. If the compound growth rate of car ownership from 2022 to 2025 is 4.5% and the annual replacement rate of the front windshield of the existing vehicles is 5%, the demand for PVB film in the domestic automotive field will be about 59,000 tons by 2025, an increase of about 20,000 tons from the end of 2020.
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