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

Addivant NAUGARD 431 Antioxidant

Addivant NAUGARD 431 Antioxidant is a high-performance hindered phenolic antioxidant from Addivant’s NAUGARD series. Designed for polyolefins and elastomers, it delivers exceptional thermal stability, melt protection, and long-term aging resistance. Its low volatility and excellent compatibility ensure consistent performance in demanding processing conditions. Widely used in PP, PE, and TPO applications to preserve mechanical properties and extend service life.
  • addivant naugard 431 antioxidant_ec6427ef
  • addivant naugard 431 antioxidant_ec6427ef

Features Of Addivant NAUGARD 431 Antioxidant

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

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

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

  4. Non-staining and low-color formation, supporting clarity and aesthetic integrity in final products.

  5. Regulatory compliant for food-contact applications under FDA 21 CFR §178.2010 and EU Directive 10/2011.

Typical Applications Of Addivant NAUGARD 431 Antioxidant

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

  2. Automotive interior components requiring high heat resistance and low fogging.

  3. Food packaging films and containers made from polyethylene (PE) and polypropylene (PP).

  4. Injection-molded consumer goods where color stability and mechanical retention are critical.

  5. Blown and cast film extrusion processes requiring consistent melt stabilization.

Specifications Of Addivant NAUGARD 431 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white powder
AppearanceCrystalline granular solid
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), styrenics, engineering plastics
Key FeaturesThermal stability, low volatility, polymer compatibility, regulatory compliance
BenefitsExtended service life, reduced discoloration, improved melt processability, enhanced oxidative induction time (OIT)
Storage ConditionsStore in cool, dry place below 30°C; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture under recommended storage conditions


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