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

Addivant 627A Antioxidant

Addivant 627A Antioxidant is a high-performance hindered phenolic antioxidant from Addivant’s 600-series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic performance with phosphites. Widely used in PP, PE, and TPO applications to prevent oxidative degradation during processing and long-term use.
  • addivant 627a antioxidant_ac10a64c
  • addivant 627a antioxidant_ac10a64c

Features Of Addivant 627A Antioxidant

  1. High-performance hindered phenolic antioxidant for long-term thermal and oxidative stability.

  2. Excellent compatibility with polyolefins, including PP and HDPE, without blooming or migration issues.

  3. Low volatility and high melt stability, suitable for high-temperature processing such as extrusion and injection molding.

  4. Non-staining and low-color formation—preserves polymer clarity and surface aesthetics.

  5. Synergistic with phosphite co-stabilizers (e.g., ADK STAB PEP-36), enhancing overall stabilization efficiency.

Typical Applications Of Addivant 627A Antioxidant

  1. Polypropylene (PP) fibers and nonwovens for hygiene and medical applications.

  2. Automotive interior components requiring UV resistance and long-term aging performance.

  3. Food-contact-approved packaging films and containers made from polyolefin resins.

  4. Industrial pipes and fittings exposed to elevated temperatures and oxidative environments.

  5. Recycled polyolefin compounds where enhanced melt stability during reprocessing is critical.

Specifications Of Addivant 627A Antioxidant

Chemical TypeHindered phenol
Product FormPellets
AppearanceWhite to off-white free-flowing pellets
Melting Point120–125 °C (by DSC)
Assay (by HPLC)≥ 98.0%
Volatile Matter (105 °C, 2 h)≤ 0.5%
Heavy Metals (as Pb)≤ 5 ppm
Primary ApplicationsPolyolefins, especially PP and HDPE


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