我厂失蜡精铸车间革命职工打破常规,经一年左右的试验,初步试成用红粘土代石英粉配制水玻璃涂料。经生产应用,效果良好。优点是材料来源丰富,处理使用方便,涂挂性能好,清砂方便,铸件光洁度较好,不易生锈, 劳动条件较好。我厂用以铸造六公斤以下的铝铸件和铜铸件。 Our factory lost wax wax casting workshop revolutionary workers to break the routine, after about a year of testing, the initial trial into a red clay on behalf of quartz powder preparation of water glass paint. After production and application, the effect is good. The advantages are rich sources of materials, easy handling, good coating performance, easy sand cleaning, better finish of castings, less rusting and better working conditions. I plant to cast the following six kilograms of aluminum castings and copper castings.