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

Wacker VINNAPAS C 341 Polyvinyl Acetate

Wacker VINNAPAS C 341 is a high-purity, low-viscosity polyvinyl acetate dispersion designed for adhesives and construction binders. Part of Wacker’s VINNAPAS® emulsion polymer family, it offers excellent film formation, adhesion to porous substrates, and freeze-thaw stability. Ideal for tile adhesives, plaster additives, and non-woven binders—delivering consistent performance, low odor, and reliable shelf life under standard storage conditions.
  • wacker vinnapas c 341 polyvinyl acetate_22babe46
  • wacker vinnapas c 341 polyvinyl acetate_22babe46

Features Of Wacker VINNAPAS C 341 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 film-forming properties with balanced flexibility and hardness after drying.

  4. Low minimum film formation temperature (MFFT) enabling use in ambient curing conditions.

  5. Compatible with common inorganic fillers and cement-based systems without destabilization.

Typical Applications Of Wacker VINNAPAS C 341 Polyvinyl Acetate

  1. Tile adhesives for ceramic and porcelain tiles on interior walls and floors.

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

  3. Self-leveling underlayments and floor screeds requiring enhanced workability and bond strength.

  4. Exterior insulation finishing systems (EIFS) base coats and reinforcing layers.

  5. Water-resistant plasters and renders for façade applications.

Specifications Of Wacker VINNAPAS C 341 Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVA) homopolymer dispersion
Product FormAqueous dispersion
AppearanceWhite to slightly yellowish, milky liquid
Solids ContentApprox. 54–56 wt.%
pH Value4.5–5.5
Viscosity (at 20 °C)150–350 mPa·s (Brookfield RVD, spindle #3, 12 rpm)
Minimum Film Formation Temperature (MFFT)Approx. 12–14 °C
Storage StabilityAt least 6 months at 5–30 °C in original sealed container


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