Redispersible Polymer Powder (VAE RDP)
CAS Number: 9003-20-7
Vinyl acetate-ethylene (VAE) redispersible polymer powder (RDP) is spray-dried polymer latex that, when mixed with water, redisperses into a fine emulsion and co-binds with cement hydration products. It significantly improves adhesion, flexibility, tensile strength, and water resistance of dry-mix mortar formulations. It is a key component in tile adhesives, external insulation compound systems (ETICS/EIFS), and repair mortars.
Technical Specifications
| appearance | White free-flowing powder |
| ash content (%) | 10±2 |
| pH (10% solution) | 5.0-7.0 |
| solid content (%) | 98±1 |
| minimum film forming temperature (°C) | 0–5 |
Applications
- Tile adhesives and tile grouts
- External thermal insulation composite systems (ETICS/EIFS)
- Self-leveling underlayments
- Exterior and interior plasters and renders
- Cementitious repair mortars and crack fillers
Key Features
- Dramatically improves adhesion and flexibility of cementitious mortars
- Redisperses uniformly in water for homogeneous polymer distribution
- Improves water and chemical resistance of hardened mortars
- Wide range of Tg grades available for different application requirements
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