Before 1980, the development of China's thermal insulat […]
Before 1980, the development of China's thermal insulation materials was very slow, but after more than 30 years of hard work, especially after nearly 20 years of rapid development, many products have been developed from scratch, from single to diversified, and the quality has been low. To the high, has formed a relatively complete industry based on expanded perlite, mineral wool, glass wool, foam plastic, refractory fiber, calcium silicate insulation products and other varieties.
From January to December 2006, China imported mineral cotton; expanded mineral materials; the quantity of insulation or sound insulation materials was 13,110,148.00 kg, and the exchange rate was US $ 29,396,269.00; from January to December 2006, China exported mineral cotton; expanded mineral materials; thermal insulation Or the amount of sound insulation materials is 323,873,323.00 kg, and the exchange rate is 141,929,418.00 USD.
In January-October 2007, China imported mineral cotton; expanded mineral materials; the amount of heat-insulating or sound-proof materials was 12,844,531.00 kg, and the exchange rate was US $ 28,133,066.00; in January-October 2007, China exported mineral cotton; expanded mineral materials; thermal insulation Or the amount of sound insulation material products is 293,114,475.00 kg, and the exchange rate is 148,816,708.00 USD.
Polyurethane material is the best insulation material in the world. Rigid polyurethane has many excellent properties and is widely used in building roofs, walls, ceilings, floors, doors and windows as heat insulation materials in Europe and the United States. About 49% of the building insulation materials in Europe and the United States and other developed countries are polyurethane materials, while in China this proportion is less than 10%. Therefore, there is still much room for the development of polyurethane materials in China.
China's market for building energy-saving materials is large, especially the market for building insulation materials. The energy loss of Chinese houses is roughly 50% of the wall; 10% of the roof; 25% of the windows and doors; 15% of the basement and the ground. In order for China's buildings to achieve an energy saving rate of 50% in 2010, a comprehensive transformation of the building's exterior wall is required, and the market for wall insulation materials will increase significantly.