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

Clariant Red Phosphorus HB 801 Flame Retardant

Clariant Red Phosphorus HB 801 is a high-purity, halogen-free flame retardant from Clariant’s Exolit® RP series. It delivers exceptional thermal stability, low smoke generation, and excellent char formation in thermoplastics like polyamide and PBT. Designed for demanding automotive and electronics applications, it meets stringent UL94 V-0 and CTI ≥600V requirements while minimizing impact on mechanical properties and color stability.
  • clariant red phosphorus hb 801 flame retardant_265f68cd
  • clariant red phosphorus hb 801 flame retardant_265f68cd

Features Of Clariant Red Phosphorus HB 801 Flame Retardant

  1. High-efficiency flame retardancy with low loading levels in thermoplastics and thermosets.

  2. Excellent thermal stability up to 300 °C, supporting high-temperature processing such as injection molding.

  3. Low smoke and halogen-free formulation, contributing to improved fire safety and reduced toxic gas emission.

  4. Good dispersion characteristics in polymer matrices without requiring surface treatment.

  5. Compatible with polyamides (PA6, PA66), polyesters (PBT, PET), and epoxy resins.

Typical Applications Of Clariant Red Phosphorus HB 801 Flame Retardant

  1. Electrical and electronic components requiring UL 94 V-0 rating.

  2. Automotive interior parts including connectors, housings, and sensor enclosures.

  3. Industrial machinery housings exposed to elevated operating temperatures.

  4. LED lighting fixtures demanding low-smoke, halogen-free flame retardancy.

  5. Consumer appliance casings where regulatory compliance (e.g., RoHS, REACH) is critical.

Specifications Of Clariant Red Phosphorus HB 801 Flame Retardant

Chemical TypeElemental red phosphorus
Product FormFree-flowing granular powder
AppearanceDark red to burgundy granules
Phosphorus Content (P)≥ 85.0 wt.%
Moisture Content≤ 0.3 wt.%
Particle Size (d50)120–180 µm
Primary ApplicationsFlame retardant for engineering thermoplastics and thermosets
Key FeaturesHalogen-free, low smoke, high thermal stability


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