ISO9001 High Polymerization Ammonium Polyphosphate Flame Retardant

Огнеупорный полифосфат аммония
November 27, 2025
Brief: Need quick answers about practical use? This video highlights the essentials. Watch as we demonstrate the key properties and applications of our high polymerization ammonium polyphosphate flame retardant, showing how it performs in intumescent coatings for steel structures to meet international fire safety standards.
Related Product Features:
  • High polymerization degree crystal phase II APP flame retardant with molecular formula (NH4PO3)n where n>1000.
  • Features high phosphorus content (≥71% P2O5) and nitrogen content (≥14%) for effective flame retardancy.
  • Excellent thermal stability with decomposition temperature above 275°C (TGA, 99%).
  • Near-neutral pH value (5.5-7.5) and low solubility (<0.45%) in aqueous solutions.
  • Low viscosity (<20 mpa.s) and moisture content (<0.25%) for easy processing and handling.
  • Fine white powder with average particle size of 15-25µm for uniform dispersion in coatings.
  • Functions as the acid source in intumescent mechanisms without toxic smoke emission.
  • Enables steel structures to meet fire resistance classes per DIN, BS, and ASTM standards when used in intumescent paints.
Вопросы:
  • What is the primary application of this ammonium polyphosphate flame retardant?
    It is primarily used in intumescent paints and coatings for steel structures to provide fire resistance, helping them meet international standards like DIN, BS, and ASTM.
  • How does the thermal stability of TF-201 benefit fire protection applications?
    With a decomposition temperature above 275°C, TF-201 maintains stability at high temperatures, ensuring effective flame retardant performance during fire events without premature degradation.
  • What makes this flame retardant suitable for coating formulations?
    Its fine particle size (15-25µm), low viscosity, low moisture content, and near-neutral pH make it easy to disperse and process in coating systems while maintaining performance integrity.