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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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NeoAdd™ PAX-523

Technical Datasheet | Supplied by DSM
NeoAdd™ PAX-523 by DSM is a non-mutagenic, low-toxicity, non-genotoxic polymeric aziridine crosslinker. Designed for water-borne industrial wood & architectural coating systems, floor coatings and parquet lacquers. Provides water-, alcohol-, detergent-, chemical- and humidity resistance. Also used in leather and textile coatings to improve detergent and scuff resistance. It enhances wet adhesion to specific substrates. Improves chemical resistance and mechanical properties. It is recommended at a dosage level of 4-8 %wt/wt for reaction with carboxylic acid functional water-borne acrylic emulsions or urethane dispersions. Shelf life of NeoAdd™ PAX-523 is 6 months. This product is not available worldwide yet.
NeoAdd™ PAX-523
Technical Datasheet | Supplied by DSM
Product Type
Crosslinking / Coupling / Curing Agents > Aziridines
Physical Form
Liquid, Viscous
Product Launch Date
Mar 2, 2020
Product Status
Applications/ Recommended for
  • Coatings > Waterborne
  • Inks > Water-based
  • Resins > Polyurethanes (PU)
  • Resins > Acrylics & Acrylic Copolymers
  • Coatings Markets > Wood & Furniture Coatings > Parquet lacquers
  • Coatings Markets > Other industries > Leather Coatings
  • Coatings Markets > Flooring
Labels/Agency Rating
REACH compliant
TSCA & DSL pending
China est. May 2020

NeoAdd™ PAX-523 Properties


Value & Unit
Test Condition
Test Method
Solid Content
79 - 81 %
(Weight by Weight)
GAP 0001
3000 - 8000 mPa-s
(At 25°C. Brookfield Viscometer)
GAP 0020
1.06 kg/l
(At 23°C)
GAP 006
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