The hardness of waterborne epoxy floor paint is better, related to the general epoxy, things a hard, relatively brittle, pressure drop, simple cracking; therefore, from the bottom treatment, higher than the traditional epoxy requirements for the bottom. Firstly, when grinding the concrete seriously, we can't miss the local area without grinding, especially in many areas with poor strength, we must grind it to the local area with high strength. Otherwise, the loose area will fall off with the coating, and the time will be very soon. Maybe the project will be taken off before it is settled. The two way, the two cross type, to avoid leakage, can be polished more complete. 第二、打磨完毕后，打扫完后，主张用吸尘器吸尘处理，以便涂料更好地渗透，水的张力大，简单影响渗透性；
Secondly, after polishing, after cleaning, advocate using vacuum cleaner to deal with, in order to better penetrate the paint, water tension, simple impact on permeability;
Thirdly, on the ground without expansion joints, it is necessary to carry out incisive joints in order to avoid irregular cracks due to the internal stress of concrete in the future; on the ground with expansion joints, the reinforcement hook is used to clean the cracks, and then the vacuum cleaner is used.
Fourth, there are irregular cracks in the local, to cut the crack treatment, using epoxy mortar to repair, and pay attention to repair the height difference;
Fifth. Corner grinding is carried out on the side of the column and corner with a corner grinder, smooth and smooth.
Sixth, local water with water absorber to water treatment, eradicate the surface of the mud, and then with water washing machine wash water, clean treatment, air one day, then primer;
Seventh, where there is oil stain, first clean the surface of the oil stain, and then clean with a cleaning agent, and then bake with fire, if the oil stain is particularly serious, the need to knock off the concrete from scratch pouring.
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