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

Songwon SONGNOX 4425 Antioxidant

Songwon SONGNOX 4425 Antioxidant is a high-performance hindered phenolic antioxidant designed for polyolefins and elastomers. It offers excellent thermal stability, low volatility, and superior processing protection. Widely used in PP, PE, and TPO applications, it ensures long-term polymer durability while maintaining color stability and mechanical properties during extrusion and molding.
  • songwon songnox 4425 antioxidant_6d91b173
  • songwon songnox 4425 antioxidant_6d91b173

Features Of Songwon SONGNOX 4425 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. Excellent compatibility with polyolefins, including PP and HDPE, without blooming or plate-out issues.

  4. Non-staining and low color formation, preserving aesthetic integrity in light-colored and transparent applications.

  5. Good hydrolytic stability and resistance to extraction by polar media such as detergents or food simulants.

Typical Applications Of Songwon SONGNOX 4425 Antioxidant

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

  2. HDPE and LLDPE packaging films, especially for food contact and pharmaceutical packaging.

  3. Automotive interior components requiring low VOC and odor compliance.

  4. Rotomolded tanks and large-volume containers exposed to elevated temperatures and UV stress.

  5. Recycled polyolefin compounds where stabilization against thermo-oxidative degradation is critical.

Specifications Of Songwon SONGNOX 4425 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid
Primary ApplicationsPolyolefins (PP, PE), especially in food-contact and medical-grade compounds
Key FeaturesLow volatility, high melt stability, excellent compatibility, non-staining
BenefitsExtended service life, reduced discoloration, improved recyclability support, regulatory readiness
Regulatory StatusCompliant with FDA 21 CFR §178.2010 and EU Regulation (EC) No 10/2011 for food contact plastics
Recommended Dosage0.1–0.4 wt% depending on polymer type and end-use requirements


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