rdp powder manufacturers-Application of Redispersible Polymer Powder in Tile Bonding

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rdp powder manufacturers-Application of Redispersible Polymer Powder in Tile Bonding

Tile has the durability of aesthetic function, however in recent decades we have seen less and less application of tiles in exterior, only in damp places such as kitchen, bathroom etc. still dominate, the reason , mainly due to the poor quality of tile adhesives and the traditional method of pasting tiles resulting in high labor intensity and the need for skilled masons. In European and American countries, the method of tile pasting is almost all based on “thin layer technology”. At present, this new pasting method has become more and more popular, and it needs tile adhesive to support.

In the past, tile adhesives used cement as the main adhesive. The traditional pasting process is usually to mix cement and sand in different proportions on the construction site. The determination of this mixing ratio is mainly based on local construction technology rather than technical rationality. However, this kind of mortar mixing method has problems when used in thin layer technology. The thin coating layer causes water to penetrate into the substrate, resulting in rapid water loss and loss due to evaporation. Therefore, additives must be incorporated into the mortar.

At present, the mainstream of additives is redispersible latex powder, which has many advantages, such as: high sag resistance, frost resistance of the pasted tiles, and good flexibility.

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