With the increase in exterior wall ceramic tile finishing projects, the demand for ceramic tile grouting agents is also gradually increasing. Currently, the ceramic tile grouting agents used for exterior wall ceramic tile grouting agents are mainly polymer dry powder ceramic tile grouting agents. Sealing agent. Polymer dry powder ceramic tile grout has good adhesion, anti-penetration and anti-cracking flexibility, easy construction, and comes in a variety of colors to choose from. It has a good overall effect with the ceramic tiles and has a very good decorative effect. However, different colors of tile grout will have a problem of efflorescence. If it is white or light-colored tile grout, there is basically no need to consider the efflorescence problem, while black or dark (red, brown) tile grout The problem of efflorescence must be considered when using caulking agents. As long as cement-based materials are exposed to a certain temperature and humidity, efflorescence is an inevitable problem. Through repeated tests, it is believed that adding some water-repelling products and paying attention to the amount of water added to the ceramic tile caulking agent can Reduce the occurrence of efflorescence to a certain extent.
</p