SL-1型防水涂料是由山东省化学研究所和山东省建筑科研所共同研制完成的一种新产品。根据研制、工程应用情况,于1885年11月20日在济南召开了鉴定会。会议由山东省化工厅、山东省建筑总公司联合主持,来自教育、科研、设计、施工、新闻、管理等部门的27个单位的59名代表参加。鉴定期间,代表们听取了研制、性能测试、工程应用等方面的介绍,察看了试点工程和施工操作, SL-1 waterproof coating is a new product jointly developed by the Shandong Provincial Institute of Chemistry and the Shandong Institute of Building Research. According to the development and application of the project, an assessment meeting was held on November 20, 1885 in Jinan. The meeting was co-hosted by the Chemical Department of Shandong Province and Shandong Provincial Construction Corporation. Fifty-nine representatives from 27 units of the education, scientific research, design, construction, news, and management departments participated. During the appraisal, delegates listened to presentations on development, performance testing, engineering applications, etc., and inspected the pilot project and construction operations.