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Polyurethane exterior insulation building energy efficiency technology

by:MPS     2020-07-16
< P> a, polyurethane exterior insulation construction energy conservation technology is imperative to save energy is the important matter that people all over the world are concerned, building energy consumption accounts for 47% of the total energy consumption in our country, the country has issued compel 50% of building energy efficiency, the application of 65% of the national policy. Countries have enacted and began to implement the regulations on the civil building energy saving standards for design of public buildings, the recent issued 'long-term energy saving special planning' provisions of the state, during the 11th five-year plan new buildings to strictly implement energy efficiency standards, to gradually implement the existing buildings. Polyurethane (pu) is one of the best heat preservation material, various performance indicators are better than the traditional XPS and EPS exterior insulation system. This kind of external thermal insulation system has been state about the attention of the leaders, experts in various provinces. Ministry of slurry sampling a polyurethane building has been set up to save application promotion working group, and in the middle of October in Beijing held a 'pu wall energy saving technology international exchange', the national various provinces, municipalities and autonomous regions, and municipalities directly under the central government construction department ( Appoint) Energy-saving wall to do, and technology design and development unit of nearly hundred delegates attend. International building energy conservation expert David & # 8226; Dr Evans told reporters, polyurethane material are the best heat preservation material performance, international rigid polyurethane plastic has light weight, low thermal conductivity, good heat resistance, aging resistance, easy to bond with other materials, such as combustion does not produce melt drip excellent performance. Europe and the United States and other developed countries in building insulation materials about 49% for pu material, and this proportion is less than 10% in China, the ministry of construction for this since this year will be the pu material as a substitute for traditional architectural heat preservation material for promotion. < P />
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