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

Wacker VINNAPAS LL 8251 Polyvinyl Acetate

Wacker VINNAPAS LL 8251 is a low-VOC, freeze-thaw-stable polyvinyl acetate dispersion designed for high-performance interior wall paints and plasters. It delivers excellent adhesion, scrub resistance, and film formation at low temperatures. Part of Wacker’s eco-friendly VINNAPAS® LL series, this polymer enables formulators to achieve balanced open time, viscosity stability, and low odor without compromising performance.
  • wacker vinnapas ll 8251 polyvinyl acetate_8e5a6264
  • wacker vinnapas ll 8251 polyvinyl acetate_8e5a6264

Features Of Wacker VINNAPAS LL 8251 Polyvinyl Acetate

  1. Low-VOC, solvent-free aqueous polymer dispersion for improved workplace and environmental safety.

  2. Excellent green strength and fast initial tack development for efficient production workflows.

  3. Good film-forming properties with balanced flexibility and hardness after drying.

  4. High compatibility with cellulose ethers, starches, and common construction additives.

  5. Stable viscosity profile across a broad pH range (pH 4–9), supporting formulation robustness.

Typical Applications Of Wacker VINNAPAS LL 8251 Polyvinyl Acetate

  1. Cementitious tile adhesives for interior and exterior ceramic and porcelain tile installations.

  2. Repair mortars and patching compounds requiring enhanced cohesion and substrate adhesion.

  3. Self-leveling underlayments where flow control and early-age strength are critical.

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

Specifications Of Wacker VINNAPAS LL 8251 Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVA) homopolymer dispersion
Product FormAqueous dispersion
AppearanceWhite to slightly opalescent liquid
Solids ContentApprox. 55.0 ± 1.0 wt-%
pH (25 °C)4.5 – 5.5
Minimum Film-Forming Temperature (MFFT)+12 °C
Viscosity (Brookfield RVT, spindle 3, 20 rpm, 23 °C)1,500 – 3,500 mPa·s
Storage StabilityAt least 6 months at 5–30 °C in original sealed container


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