Redispersible Polymer Powder (RDP), specifically the YFR-7080 grade, is a high-performance white powder engineered from ethylene and vinyl acetate copolymer emulsion via a continuous polymerization and spray-drying process. Designed for the modern construction industry, this additive is essential for enhancing the mechanical properties of dry-mix mortars, ensuring superior stability and durability across various substrates.
Widely utilized in tile adhesives, wall putties, and jointing compounds, RDP significantly improves viscosity and workability, facilitating an easier construction process. By optimizing the folding capacity and compressive strength of mortars, it ensures a smooth, crack-resistant wall finish and powerful adhesion, making it an indispensable component for professional building materials.
Detailed Parameters
| Based Polymer | VAC/E | Appearance | White powder, Free-flowing |
|---|---|---|---|
| Solid Content (%) | ≥98.0 | Ash Content (%) | 13 ±2 |
| Bulk Density (g/L) | 400-600 | Particle Size (µm) | 80-120 |
| PH Value | 6-8 | Glass Transition (Tg ℃) | 5 |
| Packaging | Paper plastic composite bag | Net Weight | 25±0.5kg/bag |
Key Advantages
Enhanced Adhesion
Significantly boosts the bonding strength of mortar on a wide variety of substrates, preventing detachment.
Easy Construction
Improves workability and viscosity, allowing for smoother application and reduced labor effort.
High Strength
Increases the compressive strength and folding capacity of the mortar for long-term durability.
Smooth Finish
Ensures a refined and smooth wall surface, ideal for high-end painting and coating applications.
Optimal Stability
Provides excellent stability in dry-mix formulations, preventing shrinkage and cracking.
Versatile Use
Perfect for tile grout, putty interface agents, and gypsum-based insulation mortars.
Product Gallery
Management Platforms
Storage Control
Maintained in cool, dry environments below 35℃ to ensure chemical stability.
Quality Assurance
Strict continuous polymerization process to ensure batch-to-batch consistency.
Moisture Protection
Utilizing high-grade paper plastic composite bags to prevent dampness.
UV Shielding
Strategic storage protocols to avoid direct sunshine and thermal degradation.
Pressure Management
Avoidance of long-term high-pressure stacking to maintain powder flowability.
Seal Integrity
Rigorous sealing requirements for unspent powder to prevent contamination.
Investment Return Comparison
| Performance Metric | Standard Mortar | RDP Enhanced Mortar |
|---|---|---|
| Adhesion Strength | Moderate | Excellent / High Bond |
| Surface Smoothness | Rough / Grainy | Ultra-Smooth Finish |
| Flexibility | Brittle | High Elasticity |
| Application Speed | Slow / Difficult | Fast / Easy Glide |
| Durability Rate | Standard | Significantly Extended |
Frequently Asked Questions
RDP acts as a redispersible polymer that enhances the adhesion, flexibility, and compressive strength of mortars, ensuring they bond strongly to substrates and resist cracking.
It is ideal for tile adhesives, wall putty, insulation mortars, gypsum-based products, and jointing compounds for wall panels.
It should be stored in a cool, dry place below 35℃, away from direct sunshine and dampness, and kept in sealed packaging.
Yes, it improves viscosity and makes the mortar easier to apply, resulting in a smoother wall formation and reduced labor time.
While cement provides the primary structural binding, RDP is a specialty chemical additive that adds flexibility and superior adhesion that cement alone cannot provide.
Absolutely. RDP is frequently used in insulation mortars to improve the bond between the insulation board and the masonry substrate.


