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各类工民建筑、水工建筑、水池、水塔、地下室、屋面等地表和地下部分的渗水修补,都需要使用防水剂。现推荐一种可自己制备的硅酸钠防水剂使用,其效果特别理想。这种防水剂的配方比例是:主料硅酸钠(波美45～50°)400份,水60份;辅料:重铭酸钾1份、硫酸铜1份、硫酸亚铁1份,硫酸铬钾(钾铬矾)1份,酸硫铝钾(明矾)1份。
Waterproofing agent is required for all kinds of civil and civil buildings, hydraulic structures, water tanks, water towers, basements, roofs and other surface and underground repairs. Now it is recommended to use a sodium silicate waterproofing agent that can be prepared by oneself. The effect is particularly satisfactory. The formula proportion of this waterproof agent is: 400 parts of sodium silicate (Baume 45-50°), 60 parts of water; accessories: 1 part of potassium citrate, 1 part of copper sulfate, 1 part of ferrous sulfate, sulfuric acid One part of chromium potassium (potassium chromium cesium), one part of acid aluminum potassium (alum).