“四矾”防水油 ,是以硅酸钠 (水玻璃 )为基本原料 ,按一定配合比 ,加入适量的水与四种矾类材料 (起发热、离水、烘干作用 )配制而成的一种草绿色液体。它具有促凝作用 ,可与水泥拌制成防水泥浆 ,加入水泥砂浆或混凝土中 ,即成“防水砂浆”及“防水混凝土”。用以堵塞建筑物漏 “Four alum” waterproofing oil, is based on sodium silicate (water glass) as the basic raw material, according to a certain ratio, adding an appropriate amount of water and four kinds of alum material (from heat, water, drying) formulated A grass-green liquid. It has procoagulant effect, can be mixed with cement into a waterproof slurry, adding cement mortar or concrete, that is, “waterproof mortar” and “waterproof concrete.” To plug the building leakage