Plastic window is the late fifties

Plastic window is the late fifties of this century, first developed by the West Germany, in 1959 to begin production. The first plastic windows are single plastic structure, relatively simple, rough, with the 1972 global energy crisis, the early 1970s better energy-saving plastic windows have been widely used, but also to promote the production of profile technology, Performance is improving, from the original single-chamber profile to the development of three-chamber,pvc profile for windows with eco-friendly material four chamber profiles, but also led Europe and Asia, the development of plastic doors and windows. According to incomplete statistics, the use of plastic doors and windows in Germany has accounted for 52% of the market for doors and windows, and 48% in Austria. More than 10% to 20% of the developed countries such as Switzerland, Britain, France and Italy have also used the plastic windows in the United States in the 1970s At the end of the year, the annual growth rate of usage has reached over 15%. In Asia, plastic windows are used in Japan, South Korea, Taiwan, Singapore, and Thailand. China's plastic windows started late, the production of calcium-plastic doors and windows in the seventies, but the quality of clearance, has been basically eliminated. The real plastic window production started from the introduction of equipment in 1983, when the technology is not very advanced, are used single-chamber or two-chamber structural profiles, with 91 industries improved, the domestic have emerged a number of extrusion equipment, mold , Profiles, assembly equipment and other manufacturers; 96 years with the country strongly advocated and the newly formed introduction of the 1990s the introduction of advanced equipment manufacturers, greatly promoted the development of the industry. There are more than 2000 profile extrusion production lines in China, more than 400 profile production plants and more than 3000 assembly plants.factory price 80mm pvc profiles for windows and doors The annual production capacity of profile profiles in 1999 is 800,000 tons, and the annual capacity of assembling doors and windows is 60 million square meters. It has become one of the few domestic developments Rapid industry. Plastic doors and windows with its excellent performance is being accepted by the majority of users.