也叫填缝剂、沟缝剂是以白水泥为主料,加入少量无机颜料、聚合物及微量防菌剂,组成的干粉状材料,它没有防水性能;分为有沙型和无沙型,前者主要用在宽砖缝上,后者主要用在窄砖缝上。
We use molding ceramic materials testing machine to simulate the crack-sealer forming. Different additives improve the performance of lime crack-sealer, such as the early strength of lime-pointing agent and post-strength, lower water absorption, reducing the volume shrinkage and so on.
材料试验成型时采用压片机模拟勾缝剂应用时成型,通过对重现材料的抗压强度、吸水率等测试,优化了重现的石灰勾缝剂的配方。
参考来源 - 上海市历史建筑石灰勾缝剂的复原与重现·2,447,543篇论文数据,部分数据来源于NoteExpress
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