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In building materials, thermal insulation materials generally guide materials with a thermal coefficient of less than or equal to 0.2.
Good insulation technology and materials in construction and industry can often get twice the result with half the effort. Statistics show that every ton of mineral wool insulation in the building can save a ton of oil a year. The application of Beili energy-saving District in Beijing Anyuan shows that the coal-saving rate per unit area is 11.91 kilograms per square meter per year. The heat preservation of industrial equipment and pipeline, using good insulation measures and materials, can significantly reduce production energy consumption and cost, improve the environment, and have better economic benefits. For example, in industrial equipment and pipeline engineering, good thermal insulation conditions can reduce heat loss by about 95%, usually used for thermal insulation material investment in a year or so can be recovered by saving energy.
Before 1980, the development of thermal insulation materials in China was very slow. A small number of thermal insulation materials factories could only produce a small amount of expanded perlite, expanded vermiculite, slag wool, ultra-fine glass wool, micro-porous calcium silicate and other products. Mineral wool factories were few, with a production capacity of less than 10,000 tons. There were only three loose cotton and calcium silicate insulation materials with an annual output of 8,000 tons. 0 cubic meters. The quantity and quality of products can not meet the requirements. The main energy-saving insulation materials are as follows: mineral wool and products mineral wool is a high-quality insulation material, has more than 100 years of production and application history.
Energy saving building materials, building materials