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

Wacker VINNAPAS B 5 Spezial Polyvinyl Acetate

Wacker VINNAPAS B 5 Spezial is a high-purity polyvinyl acetate (PVA) dispersion designed for premium adhesives and construction mortars. It offers excellent green strength, low foam, and superior film-forming properties. Ideal for tile adhesives, grouts, and dry-mix formulations requiring enhanced flexibility and water resistance. This B-series specialty grade ensures consistent performance and easy processing in industrial applications.
  • wacker vinnapas b 5 spezial polyvinyl acetate_126d8667
  • wacker vinnapas b 5 spezial polyvinyl acetate_126d8667

Features Of Wacker VINNAPAS B 5 Spezial Polyvinyl Acetate

  1. Highly optimized for excellent adhesion to porous and non-porous substrates including concrete, gypsum, and wood.

  2. Delivers superior film formation at low temperatures without coalescing agents.

  3. Offers enhanced water resistance and improved wet adhesion compared to standard PVA dispersions.

  4. Provides excellent compatibility with cellulose ethers, starches, and other common construction additives.

  5. Low residual monomer content ensures compliance with stringent health and environmental safety requirements.

Typical Applications Of Wacker VINNAPAS B 5 Spezial Polyvinyl Acetate

  1. Tile adhesives for interior and exterior ceramic and natural stone installations.

  2. Self-leveling compounds requiring high early strength and dimensional stability.

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

  4. Repair mortars and grouts where rapid bonding and reduced shrinkage are critical.

  5. Water-resistant dry-mix renders and facade plasters for demanding climatic conditions.

Specifications Of Wacker VINNAPAS B 5 Spezial Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVA) dispersion
Product FormAqueous dispersion
AppearanceWhite to slightly yellowish, homogeneous liquid
Non-Volatile Content (wt %)53–55%
pH (at 20 °C)4.5–5.5
Viscosity (mPa·s, Brookfield RVT, spindle 3, 20 rpm, 20 °C)1,500–3,500
Minimum Film Formation Temperature (MFFT)≈ 0 °C
Residual Vinyl Acetate Monomer (VAM)< 100 ppm


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