清除混凝土表面污染迹在施工中,有些材料洒在混凝土上,使混凝土被污染。现介绍几种常遇到的污染的清除方法:1.铁锈污染将1份柠檬酸钠溶入6份温水中,再加7份无钙甘油,在充分搅拌后,取少量白铅粉或硅藻土,用上述溶液将粉料拌成糊状物,再用抹子涂布在混凝土表面 Remove traces of concrete surface contamination During construction, some materials are sprinkled on the concrete to contaminate the concrete. Here are some commonly encountered pollution removal methods: 1. rust pollution 1 part of sodium citrate is dissolved in 6 parts of warm water, add 7 parts of calcium-free glycerol, after a good mix, take a small amount of white lead powder or silicon Algae, using the above solution to mix the powder into a paste, and then apply it on the concrete surface with a trowel