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

Wacker VINNAPAS B 30 Spezial Polyvinyl Acetate

Wacker VINNAPAS B 30 Spezial Polyvinyl Acetate is a high-purity, low-viscosity aqueous PVA dispersion designed for specialty adhesives and coatings. It offers excellent film formation, adhesion to porous substrates, and freeze-thaw stability. Widely used in wood bonding, paper lamination, and nonwovens, it delivers consistent performance with low odor and low residual monomer.
  • wacker vinnapas b 30 spezial polyvinyl acetate_402a45cc
  • wacker vinnapas b 30 spezial polyvinyl acetate_402a45cc

Features Of Wacker VINNAPAS B 30 Spezial Polyvinyl Acetate

  1. Optimized for high green strength and rapid initial tack development in dry-mix mortars.

  2. Excellent adhesion to porous substrates including concrete, brick, and plasterboard.

  3. Enhanced flexibility and crack-bridging capability without compromising rigidity.

  4. Good water resistance after film formation, supporting durable performance in humid environments.

  5. Consistent batch-to-batch reproducibility and reliable rheological behavior in powder formulations.

Typical Applications Of Wacker VINNAPAS B 30 Spezial Polyvinyl Acetate

  1. Cementitious tile adhesives for interior and exterior applications.

  2. Repair mortars requiring high early strength and substrate compatibility.

  3. Self-leveling underlayments with improved flow control and surface integrity.

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

  5. Flexible grouts for ceramic, natural stone, and large-format tiles.

Specifications Of Wacker VINNAPAS B 30 Spezial Polyvinyl Acetate

Chemical TypePolyvinyl acetate (PVAc) copolymer powder
Product FormFree-flowing, fine white to off-white powder
AppearanceFree-flowing granular powder
Primary ApplicationsDry-mix construction mortars (tile adhesives, renders, repair mortars)
Key FeaturesHigh green strength, fast tack build-up, excellent adhesion to mineral substrates
BenefitsImproved workability, reduced slip, enhanced open time control, and better crack resistance
Storage ConditionsStore in original sealed packaging at 5–30 °C; protect from moisture and direct sunlight
ReconstitutionDisperses readily in cold water; forms stable aqueous dispersion upon mixing


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