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

BASF Acronal PS405ap Waterproofing Emulsion

BASF Acronal PS405ap is a high-performance waterproofing emulsion from the Acronal PS series, designed for durable, flexible, and alkali-resistant cementitious coatings. It enhances adhesion, water resistance, and crack-bridging in exterior renders and tile adhesives. Based on styrene-acrylic copolymer technology, it ensures excellent workability and long-term protection under harsh weather conditions.
  • basf acronal ps405ap waterproofing emulsion_cd019046
  • basf acronal ps405ap waterproofing emulsion_cd019046

Features Of BASF Acronal PS405ap Waterproofing Emulsion

  1. High-performance acrylic copolymer emulsion specifically engineered for durable, flexible waterproofing membranes.

  2. Excellent alkali resistance for compatibility with cementitious substrates and render systems.

  3. Low-VOC formulation compliant with stringent European environmental regulations (e.g., AgBB, Blue Angel).

  4. Outstanding film-forming ability yielding continuous, pinhole-free coatings with high elongation and crack-bridging capability.

  5. Good freeze-thaw stability (3 cycles at −5 °C / +23 °C) ensuring reliable shelf life and field performance.

Typical Applications Of BASF Acronal PS405ap Waterproofing Emulsion

  1. Waterproofing slurries and thin-bed mortars for balconies, terraces, and green roofs.

  2. Flexible cementitious waterproofing coatings for basements, bathrooms, and wet rooms.

  3. Admixture in tile adhesives and grouts requiring enhanced water resistance and substrate adhesion.

  4. Key binder in polymer-modified bituminous emulsions for cold-applied roofing systems.

  5. Component in repair mortars for concrete structures exposed to intermittent water immersion.

Specifications Of BASF Acronal PS405ap Waterproofing Emulsion

Chemical TypeAcrylic copolymer emulsion
Product FormWhite to slightly bluish opaque liquid
AppearanceHomogeneous, low-viscosity emulsion
Primary ApplicationsCementitious waterproofing, tile adhesive modification, repair mortars
Key FeaturesAlkali-resistant, flexible film, low-VOC, freeze-thaw stable
BenefitsCrack bridging, strong adhesion to concrete/masonry, rapid setting support
pH (1% aqueous solution)7.5 – 9.0
Solids Content (wt %)48.0 – 50.0


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