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The role of redispersible polymer powder
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2023-11-27
Redispersible polymer powder
#Redispersible polymer powder forms a film after dispersion and plays a reinforcing role as the second adhesive;
The protective colloid is absorbed by the mortar system (it will not be destroyed by water or "secondary dispersion" after film formation);
The film-forming polymer resin is distributed as a reinforcing material throughout the mortar system, thereby increasing the cohesion of the mortar;
in wet mortar
Improve construction performance;
Improve flow properties;
Increase thixotropy and sag resistance;
Improve cohesion;
extended opening hours;
Enhance water retention.
After the mortar is cured
Improve tensile strength;
Increase bending strength;
Reduce elastic modulus;
Improve deformability;
Increase material density;
Increase wear resistance;
Improve cohesive strength;
Reduce carbonation depth;
Reduce material water absorption;
Make the material have excellent water-increasing properties (add water-increasing rubber powder)
advantage
No need to store and transport it with water, reducing transportation costs;
Long storage period, anti-freeze, easy to store;
The packaging is small in size, light in weight and easy to use;
It can be mixed with a hydraulic binder to form a synthetic resin-modified premix. Just add water when using it. This not only avoids errors during mixing at the construction site, but also improves the safety of product handling.