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

Addivant NAUGARD 445 Antioxidant

Addivant NAUGARD 445 Antioxidant is a high-performance hindered phenolic antioxidant from Addivant’s NAUGARD series, designed for polyolefins and elastomers. It offers excellent 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 service life.
  • addivant naugard 445 antioxidant_48509ec3
  • addivant naugard 445 antioxidant_48509ec3

Features Of Addivant NAUGARD 445 Antioxidant

  1. High-performance hindered phenolic antioxidant offering exceptional thermal and oxidative stability.

  2. Low volatility and excellent compatibility with polyolefins, styrenics, and engineering thermoplastics.

  3. Minimal color formation during processing and long-term aging—ideal for light-colored and clear applications.

  4. Effective at low treat rates (0.1–0.5 wt%), delivering cost-efficient stabilization performance.

  5. Non-migrating and resistant to extraction, ensuring durable protection in demanding end-use environments.

Typical Applications Of Addivant NAUGARD 445 Antioxidant

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

  2. Automotive interior components including dashboards, door panels, and trim parts.

  3. Food-contact packaging films and rigid containers made from polyolefins.

  4. Household appliances housings and consumer electronics enclosures.

  5. Rotomolded tanks, pipes, and industrial containers requiring long-term UV/thermal resistance.

Specifications Of Addivant NAUGARD 445 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, free of visible impurities
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), styrenics, polyacetals, thermoplastic elastomers
Key FeaturesThermal stability, low volatility, low color contribution, high compatibility
BenefitsExtended polymer service life, reduced discoloration, improved melt stability, regulatory compliance support
Regulatory StatusCompliant with FDA 21 CFR §178.2010 and EU Regulation (EC) No 10/2011 for food-contact plastics
Storage ConditionsStore in original unopened containers at <30 °C, protected from moisture and direct sunlight


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