The 3 main functions of redispersible latex powder in ceramic tile adhesive
Release time:
2025-11-12
Ceramic tile adhesive has strong bonding strength and can "weld" ceramic tiles to walls! Ordinary tile adhesive (only cement+sand) has weak bonding strength, especially when facing large-sized tiles, vitrified tiles and other low water absorbing tiles, it is easy to peel off. The adhesive film formed by the redispersible polymer powder can penetrate the micropores of ceramic tiles and the gaps in the base layer, forming a dual fixation of "physical adsorption+chemical bonding"; (2) Greatly improve the tensile bonding strength of ceramic tile adhesive, even if it is exposed to moisture for a long time and alternates between hot and cold, it can firmly adhere. 2. Flexibility function: It can withstand deformation without cracking. The base layer of the wall (such as cement mortar, concrete) may undergo slight deformation due to temperature changes and settlement. Ordinary ceramic tile adhesive has strong rigidity and is prone to cracking, resulting in tile hollowing. (1) The polymer film of latex powder has good elasticity and flexibility, absorbing deformation stress like a "cushion"; (2) Effectively avoiding cracking of tile adhesive layer, reducing the risk of hollowing and peeling, especially suitable for exterior walls and underfloor heating environments. 3. Improve construction efficiency: Master workers work more easily
The three primary functions of redispersible polymer powder in ceramic tile adhesive are as follows:
Ceramic tile adhesive exhibits robust bonding strength, effectively "welding" ceramic tiles to walls. In contrast, conventional tile adhesive, which consists solely of cement and sand, demonstrates inadequate bonding strength, particularly when applied to large-sized tiles, vitrified tiles, and other tiles with low water absorption. This can lead to peeling. The adhesive film created by redispersible polymer powder is capable of penetrating the micropores of ceramic tiles and the voids in the base layer, establishing a dual fixation mechanism of "physical adsorption and chemical bonding." Furthermore, it significantly enhances the tensile bonding strength of ceramic tile adhesive, ensuring a firm adherence even when exposed to moisture for extended periods and subjected to temperature fluctuations.
Another critical function is flexibility: the adhesive can endure deformation without cracking. The wall's base layer, such as cement mortar or concrete, may experience slight deformation due to temperature variations and settling. Traditional ceramic tile adhesive is characterized by its rigidity, making it susceptible to cracking, which can lead to tile hollowing. The polymer film derived from redispersible polymer powder possesses excellent elasticity and flexibility, allowing it to absorb deformation stress akin to a "cushion." This effectively mitigates the risk of cracking in the tile adhesive layer, thereby reducing the likelihood of hollowing and peeling, making it particularly suitable for exterior walls and environments with underfloor heating. Lastly, it enhances construction efficiency, facilitating easier work for masonry workers.
Key words:
RDP,redispersible polymer powder
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