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

Addivant 626 Antioxidant

Addivant 626 Antioxidant is a high-performance hindered phenol antioxidant from Addivant’s proprietary 600-series, designed for polyolefins and elastomers. It delivers exceptional thermal stability, low volatility, and synergistic compatibility with phosphites. Widely used in PP, PE, and TPO applications, it ensures long-term polymer protection during processing and end-use.
  • addivant 626 antioxidant_1b13f117
  • addivant 626 antioxidant_1b13f117

Features Of Addivant 626 Antioxidant

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

  2. Low volatility and high melt compatibility, ensuring uniform dispersion in polyolefin matrices.

  3. Effective at low dosage levels (0.1–0.5 wt%), delivering cost-efficient stabilization.

  4. Non-staining and low odor, suitable for applications requiring high aesthetic and sensory performance.

  5. Compatible with other additives including phosphites and thioesters for synergistic stabilization systems.

Typical Applications Of Addivant 626 Antioxidant

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

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

  3. Packaging films and containers for food-contact and pharmaceutical-grade polyolefins.

  4. Rotomolded and blow-molded HDPE/LLDPE tanks, crates, and industrial containers.

  5. Electrical insulation materials and cable jacketing compounds.

Specifications Of Addivant 626 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white granules
AppearanceFree-flowing granular solid
Melting Range120–125 °C
Primary ApplicationsPolyolefins (PP, HDPE, LLDPE), styrenics, engineering plastics
Key FeaturesThermal stability, low volatility, non-staining, FDA-compliant for food-contact use (21 CFR §178.2010)
BenefitsExtended service life, reduced discoloration, improved processing safety
Regulatory StatusREACH registered; compliant with EU Directive 2002/72/EC for food contact


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