Technical datasheet

Dispex® Ultra PX 4585

Supplied byBASF- Last Updated on Jun 11, 2026

Dispex® Ultra PX 4585 by BASF is a high-molecular-weight dispersing agent based on controlled free radical polymerization technology (CFRP).
  • It is ideally suited for the use in resin-free pigment concentrates and resin-minimal pigment concentrates.
  • It is especially suited for the dispersion of organic and inorganic pigments.
  • It has high efficiency in stabilizing pigments and can be used in broad pH ranges during the grinding and let-down phases.
  • It shows good compatibility with water-based acrylics, alkyds, urethane modified polyester/melamine, 2-pack PUR and thermosetting acrylic dispersion.
  • Dispex® Ultra PX 4585 is recommended for decorative, industrial, OEM and automotive refinishing coatings.
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Dispex® Ultra PX 4585 properties

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