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Masteret® 66460

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Masteret® 66460

Masteret® 66460

Product identification and description

Masteret® 66460 is a nonhalogenated flame retardant liquid masterbatch based on stabilised and microencapsulated red phosphorus and Diphenilcresylphosphate (CAS 026444-49-5) in the form of thixotropic pasty dispersion.

Key features

  • Very efficient flame retardant additive for its high Phosphorous content
  • Effective as such or in combination with other flame retardants
  • Available in a safe to handle form to avoid the hazards associated with red phosphorus powder handling and processing
  • Especially designed for epoxy and polyurethane resins


Masteret® 66460 is mainly used to flame proofing epoxy or polyurethane resins used for demanding applications. Dosage ranges from 5% to 14% according to specific standard and formulation. Combination with metal hydroxides (ATH) or amorphous silica are possible.

Physical properties (1)

Appearance: Pasty
Colour: Dark red
Odour: Light
Phosphorous: ≈ 60%
Density (23°C): ≈ 1,6 gr/ cc


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

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