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

Addivant 399 Antioxidant

Addivant 399 Antioxidant is a high-performance hindered phenolic antioxidant from Addivant’s proven 300-series, designed for polyolefins and elastomers. It delivers exceptional thermal stability, low volatility, and synergistic performance with phosphites. Widely used in PP, PE, and TPO applications, it ensures long-term polymer protection during processing and end-use. Compliant with FDA 21 CFR and EU food-contact regulations.
  • addivant 399 antioxidant_7df481c9
  • addivant 399 antioxidant_7df481c9

Features Of Addivant 399 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. Non-staining and low odor—ideal for applications requiring high aesthetic and sensory performance.

  4. Excellent hydrolytic stability, maintaining efficacy in humid or processing conditions involving trace moisture.

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

Typical Applications Of Addivant 399 Antioxidant

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

  2. Automotive interior components including dashboards, trim, and under-hood parts.

  3. Food packaging films and rigid containers requiring long-term shelf-life stability.

  4. Household appliances housings and durable consumer goods made from impact-resistant ABS and HIPS.

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

Specifications Of Addivant 399 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, free of visible impurities
Primary ApplicationsPolyolefins, styrenics, engineering plastics
Key FeaturesThermal stability, low volatility, non-staining
BenefitsExtended polymer service life, reduced discoloration, improved processing safety
Storage ConditionsStore in cool, dry place below 30 °C; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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