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膨胀蛭石及其制品具有很好的保温隔热性能,已经广泛应用在炼油、冶金、化工、电力和造船等工业的热工设备上。据了解,原纺织工业部基建设计院在1956年开始试验,1957年首次应用在河北石家庄市印染厂工程中;1965年上海建筑科学研究所做了蛭石粉末用于粉刷材料的试验;1968年天津建筑科学研究所做了膨胀蛭石用于屋面保温的试验,但都没有推广。在毛主席“提高警惕,保卫祖国”的伟大号召下,旅大一建公司的广大工
Expanded vermiculite and its products have good thermal insulation properties and have been widely used in thermal engineering equipment in industries such as oil refining, metallurgy, chemical industry, electric power and shipbuilding. It is understood that the Infrastructure Design Institute of the former Ministry of Textile Industry began testing in 1956 and was first used in the printing and dyeing plant project in Shijiazhuang City, Hebei Province in 1957. In 1965, Shanghai Institute of Building Science made a test of vermiculite powder for painting materials; in 1968 Tianjin Institute of Building Research did a trial of expanded vermiculite for roof insulation, but none of them was promoted. Under the great call of Chairman Mao “raising vigilance and defending the motherland,” Luda has built a large number of workers for the company.