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

Wacker VINNAPAS C 305 Polyvinyl Acetate

Wacker VINNAPAS C 305 is a high-purity polyvinyl acetate dispersion from the VINNAPAS® series, offering excellent adhesion, film-forming capability and water resistance. Designed for premium tile adhesives, renders and construction mortars, it ensures superior workability and bond strength. This low-VOC, APEO-free dispersion meets stringent environmental standards while delivering consistent performance across varying temperatures and substrates.
  • wacker vinnapas c 305 polyvinyl acetate_1df0be85
  • wacker vinnapas c 305 polyvinyl acetate_1df0be85

Features Of Wacker VINNAPAS C 305 Polyvinyl Acetate

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

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

  3. Good film-forming properties with balanced flexibility and cohesion.

  4. Low minimum film formation temperature (MFFT) enabling application in cooler conditions.

  5. Stable emulsion with low viscosity, supporting easy handling and pumpability.

Typical Applications Of Wacker VINNAPAS C 305 Polyvinyl Acetate

  1. Cementitious tile adhesives for interior and exterior installations.

  2. Self-leveling underlayments and repair mortars.

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

  4. Flexible polymer-modified plasters and renders.

  5. Grouts and joint fillers requiring enhanced bond strength and crack bridging.

Specifications Of Wacker VINNAPAS C 305 Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVA) homopolymer emulsion
Product FormAqueous dispersion
AppearanceWhite, slightly opalescent liquid
Solids ContentApprox. 55 wt.%
pH Value4.5–5.5
Viscosity (Brookfield RVT, 20 °C, spindle 3, 20 rpm)150–350 mPa·s
Minimum Film Formation Temperature (MFFT)Approx. 10 °C
Storage StabilityAt least 6 months at 5–30 °C in sealed original container


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