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GC HFR 693

Technical Datasheet | Supplied by GreenChemicals SPA
GC HFR 693 by GreenChemicals is an efficient, environment-friendly, halogen-free flame retardant. It is a 2,2,4,4,6,6-hexahydro-2,2,4,4,6,6-hexaphenoxytriazatriphosphorine diphenoxyphosphazene cyclic trimer. It shows good mechanical and electrical properties. GC HFR 693 is compatible with thermoplastics and thermosets, especially PC, PC/ABS, polyesters and epoxy resins.
Product Type
Flame Retardants / Smoke Suppressants > other Phosphorous-based
Chemical Composition
2,2,4,4,6,6-Hexahydro-2,2,4,4,6,6-hexaphenoxytriazatriphosphorine diphenoxyphosphazene cyclic trimer
CAS Number
Physical Form
Powder, Crystalline
Product Status
Applications/ Recommended for
  • Other Thermoset
  • PC
  • Epoxy, Epoxide Resin
  • Other Thermoplastic > Other Polyester
  • Safety, regulation & environment > Flame retardancy
  • Safety, regulation & environment > Halogen-free

GC HFR 693 Properties


Value & Unit
Test Condition
Test Method
> 99 %
Volatile component
< 0.5 %
Menting point
110 - 117 °C
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