[China Glass Net] PVB laminated glass has high strength and toughness, and has good collision resistance, safety and transparency. Once broken, the inner and outer layers of glass can still be bonded to the PVB film. The PVB film has a large toughness and will arch up to absorb a part of the impact energy when subjected to impact, and has a certain buffering effect, and its high-speed impact strength is higher than that of tempered glass. Field survey records also show that tempered glass has a higher rate of injury and death than laminated glass, and the ratio of debris to eyes is also high. In addition to safety, PVB laminated glass for automobiles also has the characteristics of anti-theft, sound insulation, UV protection and energy saving.
In view of the above characteristics, PVB laminated glass is widely used in the automotive industry.
In the first half of the year, China's economy continued to maintain a stable and high-speed growth, with GDP growth rate reaching 9.5%. The development of the domestic automobile market is still booming, and the automobile industry has become an important industry supporting the development of the national economy. In 2004, domestic automobile production and sales exceeded 5 million, making it the fourth largest auto market in the world after the United States, Japan and Germany. In 2004, China's automobile production and sales reached 5.070 million and 5.0711 million, an increase of 14.11% and 15.50% respectively, and basically maintained a balance. In recent years, China's automobile production and sales have maintained a growth rate of more than 30%.
According to the newer statistics released by the China Association of Automobile Manufacturers on August 12, as of July, the cumulative production and sales of automobiles nationwide this year was 3,261,300 and 3,240,400, both of which exceeded 3 million. Relevant experts predict that the annual production and sales volume of automobiles will reach 5.5 million in 2005, exceeding the sales and sales of automobiles in China in 2004. In the first half of the year, the sales volume of cars reached 1,307,400 units, an increase of 17.2% year-on-year, which became the backbone of the growth of the automobile market. The rapid growth of automobile sales has provided a broad space for the development of the automotive glass interlayer PVB film market. According to the relevant data of the Automobile Association, the consumption of PVB laminated glass for automobiles exceeded 20 billion yuan in 2003.
PVB laminated glass is safe for its good impact resistance and is a kind of safety glass. It is mainly used in transportation and construction industries in China. According to the statistics of the Glass Industry Association, there are more than 150 PVB laminated glass production lines in China, including more than 50 imported lines, with an annual production capacity of about 20 million square meters. The output in 2004 is more than 25 million square meters. It is expected that PVB laminated glass production in 2010 will be achieved. It is expected to break through 50 million square meters.
With the rapid development of the construction and automotive industries, the demand for PVB laminated glass will develop rapidly, and the prospect of the Chinese market is bright. The Plastics Processing Association estimates that the demand for PVB glass interlayer film in China will reach 350,000 tons in 2005 and will exceed 600,000 tons by 2010. At present, the PVB film used in PVB laminated glass mainly relies on imports. The PVB diaphragms of Japan's Sekisui, DuPont, and the US SINO are almost monopolized the market in China, which seriously restricts the development of PVB laminated glass processing enterprises. After more than 20 years of development, China's PVB raw materials, production processes and production equipment have been very mature, and PVB film processing projects have become a hot investment.
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