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屋面是建筑物的重要组成部分,屋面防水工程则是长期以来人们关注的大问题。有时因施工不当、或防水材料本身的缺欠,导致一些屋面当年竣工当年漏水,甚至年年修,年年漏,增加了工作量,浪费了材料和维修费用。根据这种状况,长春铁路分局白城机务段乳化沥青厂于1985年4月开始研制阳离子乳化沥青防水涂料。经过近一年的时间,选用30多
Roofing is an important part of a building. Roofing waterproofing is a major concern for a long time. Sometimes due to improper construction, or the lack of waterproof material itself, leading to leakage of some of the roof year of completion of the year, or even year after year repairs, annual leakage, increased workload, wasted material and maintenance costs. According to this situation, the emulsified asphalt plant of the Baicheng Locomotive Section of the Changchun Railway Substation began to develop a cationic emulsified asphalt waterproof coating in April 1985. After nearly a year, more than 30 selections