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

Songwon SONGNOX PQ Antioxidant

Songwon SONGNOX PQ is a high-performance phenolic antioxidant from Songwon’s SONGNOX series, designed for polyolefins and engineering plastics. It offers excellent thermal stability, low volatility, and superior melt protection during processing. Widely used in PP, PE, and TPO applications, it ensures long-term polymer durability while complying with global food-contact and RoHS regulations.
  • songwon songnox pq antioxidant_4b96f7e8
  • songwon songnox pq antioxidant_4b96f7e8

Features Of Songwon SONGNOX PQ Antioxidant

  1. High-performance p-phenylenediamine (PPD)-type antioxidant offering exceptional protection against thermal and oxidative degradation.

  2. Excellent compatibility with natural rubber, synthetic rubbers (e.g., SBR, BR, NBR), and thermoplastic elastomers.

  3. Low volatility and good retention during high-temperature processing and service life.

  4. Effective in suppressing discoloration and maintaining mechanical properties under dynamic stress conditions.

  5. Proven synergistic performance when combined with other antioxidants such as TMQ or phosphites.

Typical Applications Of Songwon SONGNOX PQ Antioxidant

  1. Tires (tread, sidewall, and carcass compounds).

  2. Industrial rubber goods including conveyor belts, hoses, and seals.

  3. Automotive rubber components (engine mounts, bushings, vibration dampers).

  4. Rubber-based adhesives and coated fabrics.

  5. Latex products requiring long-term aging resistance.

Specifications Of Songwon SONGNOX PQ Antioxidant

Chemical Typep-Phenylenediamine (PPD)
Product FormFree-flowing granules
AppearanceLight to medium brown granules
Primary ApplicationsRubber compounding (especially tires and industrial rubber)
Key FeaturesThermal stability, low bloom tendency, dynamic fatigue resistance
BenefitsExtended service life, reduced cracking, improved heat buildup resistance
SolubilitySoluble in common organic solvents (e.g., toluene, chloroform); insoluble in water
Storage StabilityStable for ≥24 months in original sealed packaging at ≤30 °C and low humidity


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