The standard specifies a standard method for etching concrete surfaces using liquid and gel acids. This method is designed to improve the bonding performance of concrete surfaces, especially in Coating systems that need to withstand conditions such as temperature cycling, mechanical loading or soaking. Through acid etching, foreign matter and weak slurry on the concrete surface are removed, and the surface profile is optimized, thereby improving the adhesion and use effect of Coatings.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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