Technical datasheet

Dispex® AA 4145 MB

Supplied byBASF- Last Updated on Jul 16, 2026

Dispex® AA 4145 MB by BASF is an effective polymeric dispersing agent based on acrylic acid sodium salt. It has excellent dispersing efficiency for inorganic pigments and extenders. It shows synergistic effects in combination with polyphosphates. It is a certified biomass-balanced additive.
  • It is highly efficient with excellent storage stability.
  • Enables low-emission formulations, high-quality finishes and consistent application properties without reformulation.
  • It reduces carbon footprint while delivering the same high level of performance.
  • Dispex® AA 4145 MB is recommended for interior architectural coatings.
  • A dosage level of 0.2-1% is recommended which can be increased upto 2%.
  • It has a shelf life of at least 1 year.
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Dispex® AA 4145 MB properties

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PropertiesValue & unitTest conditionTest method
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