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

Wacker VINNAPAS UW 2 FS Polyvinyl Acetate

Wacker VINNAPAS UW 2 FS is a freeze-stable, aqueous polyvinyl acetate (PVAc) dispersion from the VINNAPAS® series, designed for high-performance adhesives and construction mortars. It offers excellent green strength, open time, and compatibility with cement and fillers—ideal for tile adhesives, grouts, and repair mortars requiring low-temperature application stability.
  • wacker vinnapas uw 2 fs polyvinyl acetate_8d6bbfda
  • wacker vinnapas uw 2 fs polyvinyl acetate_8d6bbfda

Features Of Wacker VINNAPAS UW 2 FS Polyvinyl Acetate

  1. High solids content for efficient formulation and reduced drying time.

  2. Excellent adhesion to porous substrates such as concrete, plaster, and gypsum board.

  3. Good freeze-thaw stability, ensuring consistent performance during storage and transport.

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

  5. Optimized particle size distribution for improved film formation and mechanical strength.

Typical Applications Of Wacker VINNAPAS UW 2 FS Polyvinyl Acetate

  1. Cementitious tile adhesives and grouts.

  2. Repair mortars and leveling compounds.

  3. Exterior insulation finishing systems (EIFS) base coats.

  4. Waterproofing slurries and flexible renders.

  5. Self-leveling underlayments and screed additives.

Specifications Of Wacker VINNAPAS UW 2 FS Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVA) dispersion
Product FormAqueous polymer dispersion
AppearanceWhite, slightly opalescent liquid
Solids Content54–56 wt.%
pH Value4.5–5.5
Viscosity (at 20 °C)150–350 mPa·s (Brookfield RVT, spindle #3, 20 rpm)
Minimum Film Formation Temperature (MFFT)≈ 0 °C
Residual Vinyl Acetate Monomer (VAM)< 100 ppm


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