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

BASF Foamaster MO 2134AC Defoamer

BASF Foamaster MO 2134AC is a silicone-free, water-based defoamer from the Foamaster MO series, designed for efficient foam control in aqueous industrial coatings, adhesives, and construction chemicals. It offers rapid knock-down, lasting suppression, and excellent compatibility without affecting gloss or substrate wetting.
  • basf foamaster mo 2134ac defoamer_799725f0
  • basf foamaster mo 2134ac defoamer_799725f0

Features Of BASF Foamaster MO 2134AC Defoamer

  1. Highly effective silicone-free defoaming agent for water-based systems.

  2. Excellent compatibility with acrylic, styrene-acrylic, and vinyl acetate copolymer dispersions.

  3. Low dosage efficiency—effective at 0.1–0.5 wt% in finished formulations.

  4. Stable performance across a broad pH range (pH 4–10) and under high-shear mixing conditions.

  5. Non-yellowing and non-affecting final film clarity or gloss in coatings and adhesives.

Typical Applications Of BASF Foamaster MO 2134AC Defoamer

  1. Architectural interior and exterior wall paints.

  2. Industrial maintenance coatings and primers.

  3. Water-based adhesives and sealants.

  4. Construction mortars and tile adhesives.

  5. Textile printing pastes and pigment dispersions.

Specifications Of BASF Foamaster MO 2134AC Defoamer

Chemical TypeMineral oil-based, hydrophobically modified polymer defoamer
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous suspension
Primary ApplicationsWater-based architectural and industrial coatings, adhesives, construction chemicals
Key FeaturesSilicone-free, low-foam addition, shear-stable, non-sensitizing
BenefitsReduces surface defects, improves run-off and leveling, minimizes rework
pH Range (in use)4–10
Storage StabilityAt least 12 months in original unopened container at 5–30 °C


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