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

Arichem STB-FR F-531 PC Flame Retardant

Arichem STB-FR F-531 PC Flame Retardant is a halogen-free, phosphorus-based additive designed for polycarbonate resins. It delivers UL94 V-0 rating at 1.5 mm thickness, excellent thermal stability, low migration, and minimal impact on mechanical properties. Ideal for electronics enclosures and automotive components requiring high fire safety and regulatory compliance.
  • arichem stb fr f 531 pc flame retardant_d833794c
  • arichem stb fr f 531 pc flame retardant_d833794c

Features Of Arichem STB-FR F-531 PC Flame Retardant

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

  2. Excellent thermal stability compatible with polycarbonate (PC) processing temperatures up to 320 °C.

  3. High compatibility and dispersion in PC resins without compromising mechanical properties such as impact strength and tensile modulus.

  4. Meets stringent UL 94 V-0 rating at 1.5 mm thickness in PC blends.

  5. Non-migrating design providing long-term flame-retardant performance and surface integrity.

Typical Applications Of Arichem STB-FR F-531 PC Flame Retardant

  1. Electrical and electronic enclosures requiring UL 94 V-0 compliance.

  2. LED lighting housings and lens components exposed to elevated operating temperatures.

  3. Automotive interior parts including instrument panels and center consoles.

  4. Medical device housings where flame safety and biocompatibility support are critical.

  5. Public transportation interior components meeting EN 45545-2 fire safety standards.

Specifications Of Arichem STB-FR F-531 PC Flame Retardant

Chemical TypeOrganophosphorus-based flame retardant
Product FormPowder
AppearanceWhite to off-white free-flowing powder
Primary ApplicationsPolycarbonate (PC) and PC/ABS blends
Key FeaturesHalogen-free, UL 94 V-0 compliant, thermally stable
BenefitsLow smoke density, non-corrosive, no plate-out during processing
Density (g/cm³)1.35–1.45
Recommended Loading Level8–12 wt% in PC


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