Technical datasheet

Exolit® AP 423

Supplied byClariant- Last Updated on Jul 21, 2025

Exolit® AP 423 by Clariant is a colorless, non-hygroscopic, halogen-free, very fine-particle ammonium polyphosphate-based flame retardant.
  • The benefits are low solubility in water, low viscosity in aqueous suspensions and a low acid number.
  • Imparts a good flame-retardant effect on adhesives and sealants when it is incorporated into the base formulation at the rate of 10-20%.
  • Bio-degradable by breaking down to naturally occurring phosphate and ammonia.
  • Exolit® AP 423 has a shelf-life of 6 months.
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Benefits

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Compliance

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Applications

Recommended markets

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For which system

Adhesives|
Sealants

Availability

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Exolit® AP 423 properties

Other properties

PropertiesValue & unitTest conditionTest method
Decomposition Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Density0.0 Visible After LoginVisible After LoginVisible After Login
Density, Bulk0.0 Visible After LoginVisible After LoginVisible After Login
Moisture Content0.0 Visible After LoginVisible After LoginVisible After Login
Nitrogen Content0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution0.0 Visible After LoginVisible After LoginVisible After Login
Phosphorous Content0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login
pH0.0 Visible After LoginVisible After LoginVisible After Login
Solubility PropertiesElementConditionMethod
Soluble inVisible After Login
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