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近年来,国外无机矿物防水材料发展很快。美国粘土公司七十年代中期推出了“火山唛膨润土防水纸膜板”系列产品,通用于美国、加拿大、欧州及东南亚各地,成为当今世界最佳的地下建筑物防水材料,取得永久性防水效果,减少了日常维修费用,经济效益显著。1984年以来,我国由国外承建的一些建筑工程也应用了这种进口材料,如蛇口金融中心,大连富丽华饭店,北京展览馆饭店等工程已使用这种防水材料近2万平方米。
In recent years, foreign inorganic mineral waterproof materials have developed rapidly. In the mid-1970s, U.S. Clay Company introduced the “Kangshi Volcanic Bentonite Waterproof Paper Membrane” series of products, which are commonly used in the United States, Canada, Europe, and Southeast Asia. It has become the best waterproof material for underground buildings in the world and has achieved permanent waterproof effect. Reduced daily maintenance costs, significant economic benefits. Since 1984, some of the construction projects undertaken by foreign countries in China have also applied such imported materials, such as Shekou Financial Center, Dalian Furama Hotel, Beijing Exhibition Center Hotel and other projects have used this waterproof material nearly 20,000 square meters.