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

VIAPAL ADDITOL P820 Flame Retardant

VIAPAL ADDITOL P820 is a halogen-free, phosphorus-based flame retardant from the ADDITOL series by Viatris Chemicals. It enhances fire resistance in polyolefins and engineering plastics while maintaining mechanical properties and processability. Compliant with RoHS and REACH, it offers low smoke density and excellent thermal stability for demanding applications.
  • viapal additol p820 flame retardant_b8bc2deb
  • viapal additol p820 flame retardant_b8bc2deb

Features Of VIAPAL ADDITOL P820 Flame Retardant

  1. Halogen-free phosphorus-based flame retardant offering excellent fire safety performance.

  2. Good thermal stability suitable for processing temperatures up to 220 °C.

  3. Low volatility and minimal migration, ensuring long-term flame-retardant efficacy in polymers.

  4. Compatible with common engineering thermoplastics including polyesters, polyamides, and PBT.

  5. Meets UL 94 V-0 rating at appropriate loading levels in selected polymer systems.

Typical Applications Of VIAPAL ADDITOL P820 Flame Retardant

  1. Flame-retarded polybutylene terephthalate (PBT) for automotive interior components.

  2. Electrical and electronic housings requiring RoHS-compliant flame protection.

  3. Wire and cable jacketing materials based on thermoplastic polyester blends.

  4. 3D printing filaments where halogen-free flame retardancy is mandated.

  5. Industrial connectors and structural parts in low-smoke, zero-halogen environments.

Specifications Of VIAPAL ADDITOL P820 Flame Retardant

Chemical TypeOrganophosphorus compound
Product FormWhite to off-white free-flowing granules
AppearanceGranular solid
Density (25 °C)1.45–1.50 g/cm³
Melting Range245–255 °C
Moisture Content≤ 0.1 wt%
Thermal Decomposition Onset (TGA, N₂)≥ 270 °C
Primary ApplicationsEngineering thermoplastics, especially PBT and PET blends


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