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

Addivant 431 Antioxidant

Addivant 431 Antioxidant is a high-performance phenolic antioxidant from Addivant’s AOX series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic compatibility with phosphites. Widely used in PP, PE, and TPE applications to prevent oxidative degradation during processing and long-term use.
  • addivant 431 antioxidant_4a8e06b0
  • addivant 431 antioxidant_4a8e06b0

Features Of Addivant 431 Antioxidant

  1. High-performance hindered phenolic antioxidant offering excellent long-term thermal stability.

  2. Low volatility and minimal migration, ensuring consistent protection in demanding processing conditions.

  3. Compatible with a broad range of polymers including polyolefins, styrenics, and engineering thermoplastics.

  4. Non-discoloring formulation preserves product aesthetics and meets stringent color stability requirements.

  5. Regulatory compliant for food-contact applications under FDA 21 CFR §178.2010 and EU Regulation (EC) No. 10/2011.

Typical Applications Of Addivant 431 Antioxidant

  1. Polypropylene (PP) and polyethylene (PE) injection-molded automotive components.

  2. Thin-walled packaging films requiring extended shelf-life and UV resistance.

  3. Hot-fill beverage containers and caps where thermal processing stability is critical.

  4. Medical-grade polyolefin tubing and syringes requiring biocompatibility and oxidative stability.

  5. Household appliances housings exposed to elevated service temperatures.

Specifications Of Addivant 431 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white powder
AppearanceFree-flowing crystalline powder
Primary ApplicationsPolyolefins, styrenics, thermoplastic elastomers
Key FeaturesThermal stability, low volatility, non-staining
BenefitsExtended polymer life, reduced gel formation, improved melt stability
Regulatory StatusFDA 21 CFR §178.2010, EU 10/2011 compliant
Recommended Use Level0.05–0.3 wt% (based on polymer)


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