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Melagard® P37

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Melagard® P37

Melagard® P37

Product identification and description

Melagard® P37 is a non-halogenated flame retardant intumescent system based on Phosphorus and Nitrogen, not containing Ammonium Polyphosphate.


Key features

  • Effective on pure resins and glass filled systems
  • Partially hygroscopic and water soluble
  • Suitable for the higher flame retardant classes (ex: UL-94 V0, high glow wire)



Flame retardant for Polyolefins and rubber system normally used at concentration from 18% to 35% depending on polymer, formulation, and flame retardant standard to be achieved.

Physical and Chemical properties (1)

Appearance: Fine Powder
Colour: Off white
Odour: Odourless
Bulk Density (Kg/m3): ≈ 300-500
Moisture content < 0.5%
Water solubility (g/100cc): ≈ 0,35 (at 20°C)
pH (saturated solution): 2,5 – 3,5
Thermal stability
(5% weigh loss)
≈ 280°C (TGA, 10°C/min. N2)
D50 (µm): < 7


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

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