Technical datasheet

RHEOBYK® -7503

Supplied byBYK- Last Updated on May 14, 2025

RHEOBYK® -7503 by BYK is 100% emission-free, 100% micronized, organic powdered rheology modifier. It increases the stability of single component and silane-modified prepolymer systems. It offers strong shear-thinning rheology profile, very high sag resistance and very strong anti-settling properties.
  • It offers unique pseudoplastic flow behavior.
  • It is used in marine and protective coatings.
  • It has good storage stability and stable process control.
  • It is compatible with a wide range of solvents and can be used in different coating systems such as epoxy, polyurethane and alkyd systems with simple activation at a low temperature.
  • Recommended dosage level is 0.2-2% based on the total formulation.
  • RHEOBYK® -7503 has a shelf life of 24 months.
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RHEOBYK® -7503 properties

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PropertiesValue & unitTest conditionTest method
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Particle Size Distribution, D900.0 Visible After LoginVisible After LoginVisible After Login
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