EUROPEAN COATINGS SHOW 2025
March 13th 2025
Redispersible Polymer Powder (RDP), often referred to as VAE (Vinyl Acetate Ethylene) copolymer powder, is indeed used in dry mortar, including putty mortars.
Here’s a breakdown of how RDP enhances dry mortar:
Improved Strength and Flexibility: RDP acts like a microscopic glue, binding the mortar components together. This leads to increased tensile strength and flexural strength, making the mortar more resistant to cracking and breaking.
Enhanced Adhesion: RDP helps the mortar stick better to various substrates like concrete, brick, and plaster. This stronger bond ensures the mortar stays put and performs effectively.
Increased Water Resistance: RDP improves the mortar’s ability to repel water. This protects the underlying structure from water damage and reduces the risk of mold growth.
Better Workability: RDP makes the mortar smoother and easier to work with. This translates to improved trowelability and better overall handling during application.
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