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

Clariant Exolit AP422 Flame Retardant

Clariant Exolit AP422 is a halogen-free, phosphorus-based flame retardant from the Exolit AP series, designed for polyolefins and engineering plastics. It offers excellent thermal stability, low smoke emission, and UL94 V-0 rating at low loadings. Compatible with PP, PE, and TPO, it ensures processing ease and mechanical property retention while meeting stringent RoHS and REACH requirements.
  • clariant exolit ap422 flame retardant_9ea46345
  • clariant exolit ap422 flame retardant_9ea46345

Features Of Clariant Exolit AP422 Flame Retardant

  1. Halogen-free, phosphorus-based intumescent flame retardant for enhanced fire safety compliance.

  2. Excellent thermal stability up to 300 °C, supporting high-temperature polymer processing.

  3. Low smoke and low toxicity emissions during combustion, meeting stringent environmental and safety standards.

  4. Good compatibility with polyolefins (PP, PE) and engineering thermoplastics including PA6 and PBT.

  5. Minimal impact on mechanical properties and surface aesthetics of finished parts.

Typical Applications Of Clariant Exolit AP422 Flame Retardant

  1. Wire and cable insulation and jacketing for low-smoke zero-halogen (LSZH) applications.

  2. Electrical and electronic housings requiring UL 94 V-0 rating at thin wall sections.

  3. Automotive interior components such as trim panels, ducts, and connector housings.

  4. Household appliance casings and power tool enclosures demanding flame resistance and processability.

  5. 3D printing filaments (e.g., PP/PA-based) where flame retardancy and print reliability are critical.

Specifications Of Clariant Exolit AP422 Flame Retardant

Chemical TypePhosphorus-based intumescent system
Product FormFree-flowing white granules
AppearanceWhite to off-white granular solid
Primary ApplicationsPolyolefins (PP, PE), polyamides (PA6, PA66), PBT
Key FeaturesHalogen-free, RoHS-compliant, REACH registered
BenefitsEnables UL 94 V-0 (1.6 mm), low smoke density (ASTM E662), no corrosion during combustion
DensityApprox. 1.7 g/cm³
Moisture Content≤ 0.5% (w/w)


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