Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Wacker VINNAPAS EP 869 VAE Emulsion

Wacker VINNAPAS EP 869 VAE Emulsion is a vinyl acetate-ethylene copolymer dispersion offering excellent adhesion, flexibility, and water resistance. Designed for high-performance tile adhesives and repair mortars, it enhances green strength, open time, and deformability without formaldehyde. Compliant with EN 12004 and REACH, it delivers reliable bonding on porous substrates and superior workability in demanding construction applications.
  • wacker vinnapas ep 869 vae emulsion_e82652ec
  • wacker vinnapas ep 869 vae emulsion_e82652ec

Features Of Wacker VINNAPAS EP 869 VAE Emulsion

  1. High-performance vinyl acetate–ethylene (VAE) copolymer emulsion with excellent film-forming capability at ambient temperatures.

  2. Outstanding adhesion to diverse substrates including concrete, plaster, wood, and aged paints.

  3. Enhanced water resistance and scrub resistance in cured films without requiring external crosslinkers.

  4. Low minimum film formation temperature (MFFT) of approximately 12 °C, enabling reliable performance in moderate climates.

  5. Good compatibility with common construction additives such as cellulose ethers, defoamers, and pigments.

Typical Applications Of Wacker VINNAPAS EP 869 VAE Emulsion

  1. Interior and exterior architectural coatings for premium-quality wall paints and primers.

  2. Tile adhesives and thin-set mortars requiring high green strength and extended open time.

  3. Repair mortars and polymer-modified cementitious renders for façade restoration.

  4. Decorative plasters and textured finishes demanding crack bridging and flexibility.

  5. Waterproofing slurries and protective coatings for concrete substrates.

Specifications Of Wacker VINNAPAS EP 869 VAE Emulsion

Chemical TypeVAE (Vinyl Acetate–Ethylene) Copolymer Emulsion
Product FormAqueous polymer emulsion
AppearanceWhite to slightly bluish, opaque liquid
Solids Content (wt. %)55.0 ± 1.0
pH (at 23 °C)4.5 – 5.5
Viscosity (mPa·s, Brookfield RVT, spindle 3, 20 rpm)500 – 1500
Minimum Film Formation Temperature (MFFT)≈ 12 °C
Residual Vinyl Acetate Monomer (VAM)< 100 ppm


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