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Phoslite B303A

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Phoslite B303A

Phoslite B303A

Product identification and description

Phoslite B303A is a proprietary low halogen flame retardant synergistic preparation system based on inorganic Phosphinate.


Key features

  • Patented
  • Possible to formulate with different FR synergics (dripping agents)
  • Halogen free on final items according to several standards
  • Easy to disperse and to colour
  • Not blooming and not corrosive
  • Not hygroscopic
  • Antimony free


Flame retardant solution for flameproofing UL 94 V2 Polypropylene when used in combination with known synergic dripping agents like “2,3-dimethyl-2,3-diphenylbutane” or NOR HALS or as an Antimony trioxide replacement in mixture with organic Bromine compounds. Dosage ranges from 1% to 4%, depending on polymer type and synergic loading.

Physical and Chemical properties (1)

Appearance: Fine Powder
Colour: Off white
Odour: Odourless
Bulk Density (Kg/m3): ≈ 400-500
Phosphorus (%) ≈ 37
Halogen (%) ≈ 3,6
Thermal stability
(5% weigh loss)
≈ 310°C (TGA, 10°C/min. N2)
D50 (µm) < 9


(1) Typical properties; not to be constructed as specifications



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