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

Wacker VINNEX 2505 Polyvinyl Acetate

Wacker VINNEX 2505 is a water-based polyvinyl acetate (PVAc) dispersion from the VINNEX series, designed for high-performance adhesives and construction mortars. It offers excellent open time, green strength, and compatibility with cement and cellulose ethers. This low-VOC, APEO-free binder ensures robust adhesion on porous substrates and superior film formation without coalescing agents. Widely used in tile adhesives, grouts, and dry-mix formulations across global building markets.
  • wacker vinnex 2505 polyvinyl acetate_c99dbd3e
  • wacker vinnex 2505 polyvinyl acetate_c99dbd3e

Features Of Wacker VINNEX 2505 Polyvinyl Acetate

  1. High molecular weight polyvinyl acetate dispersion offering excellent film-forming properties and cohesive strength.

  2. Low residual vinyl acetate monomer (VAM) content, meeting stringent regulatory requirements for indoor applications.

  3. Optimized rheology for easy processing in high-solids formulations without compromising stability or viscosity control.

  4. Good compatibility with cellulose ethers, starch derivatives, and other common construction additives.

  5. Enhanced open time and workability in cementitious and gypsum-based dry-mix mortars.

Typical Applications Of Wacker VINNEX 2505 Polyvinyl Acetate

  1. Tile adhesives for ceramic, porcelain, and natural stone installations.

  2. Self-leveling underlayments and floor screeds requiring improved flexibility and bond strength.

  3. Exterior insulation finishing systems (EIFS) base coats and textured renders.

  4. Repair mortars and patching compounds for concrete and masonry substrates.

  5. Waterproofing membranes and flexible thin-bed coatings for wet-area applications.

Specifications Of Wacker VINNEX 2505 Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVAc) aqueous dispersion
Product FormWhite to slightly yellowish milky liquid
Non-Volatile Content≈ 50 ± 1 wt-%
pH Value4.5 – 5.5
Viscosity (Brookfield, RVT, 25 °C)1,500 – 3,500 mPa·s
Residual Vinyl Acetate Monomer (VAM)< 100 ppm
Minimum Film Formation Temperature (MFFT)≈ 12 °C
Storage Stability≥ 6 months at 5–30 °C in original sealed container


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