Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Martin Martinal ON-320 Flame Retardant

MartinMartinalON-320isahalogen-freephosphorus-basedflameretardantfromMartin’sMartinalseries,designedforengineeringplasticslikePA6/66andPBT.Offeringexcellentthermalstability,lowmigration,andUL94V-0rating,itensuresrobustfireperformancewithoutcompromisingmechanicalpropertiesormeltprocessability.
  • martin martinal on 320 flame retardant_6c0ebae2
  • martin martinal on 320 flame retardant_6c0ebae2

Features Of Martin Martinal ON-320 Flame Retardant

  1. Halogen-free formulation ensuring low smoke density and reduced toxic gas emission during combustion.

  2. Excellent thermal stability, maintaining performance up to 300 °C without significant decomposition.

  3. High phosphorus content enabling efficient char formation and condensed-phase flame inhibition.

  4. Good compatibility with polyolefins, engineering thermoplastics, and elastomeric compounds.

  5. Low volatility and minimal migration, supporting long-term flame-retardant efficacy in finished parts.

Typical Applications Of Martin Martinal ON-320 Flame Retardant

  1. Wire and cable insulation for low-smoke zero-halogen (LSZH) communication and power cables.

  2. Flame-retarded polypropylene (PP) and polyethylene (PE) used in automotive interior components.

  3. Electrical enclosures and housings for consumer electronics and industrial control panels.

  4. Thermoplastic elastomer (TPE) profiles for building sealants and fire-rated expansion joints.

Specifications Of Martin Martinal ON-320 Flame Retardant

Chemical TypeOrganophosphorus compound (phosphinate-based)
Product FormFree-flowing white to off-white granules
AppearanceHomogeneous granular solid
Density (23 °C)1.45–1.52 g/cm³
Melting Range275–290 °C (DSC, heating rate 10 °C/min)
Phosphorus Content≥22.0 wt%
Moisture Content≤0.3 wt% (by Karl Fischer titration)
Primary ApplicationsHalogen-free flame retardancy in polyolefins, TPEs, and engineering plastics


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