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

Albemarle AT-626 Antioxidant

Albemarle AT-626 is a high-performance hindered phenolic antioxidant from the AT-series, designed for polymer stabilization against thermal and oxidative degradation. It offers excellent melt stability, low volatility, and compatibility with polyolefins, engineering plastics, and elastomers. Widely used in automotive, packaging, and wire & cable applications, AT-626 ensures long-term performance and processing safety while meeting stringent regulatory requirements including FDA and REACH.
  • albemarle at 626 antioxidant_5395b2b1
  • albemarle at 626 antioxidant_5395b2b1

Features Of Albemarle AT-626 Antioxidant

  1. High-performance hindered phenolic antioxidant for long-term thermal and oxidative stability.

  2. Excellent compatibility with polyolefins, including polyethylene (PE) and polypropylene (PP).

  3. Low volatility and minimal migration, supporting retention in demanding processing conditions.

  4. Effective at low dosage levels (0.05–0.3 wt%), enhancing cost-efficiency and formulation flexibility.

  5. Non-staining and non-discoloring—preserves polymer clarity and color integrity during aging.

Typical Applications Of Albemarle AT-626 Antioxidant

  1. Stabilization of polyethylene pipes and geomembranes for infrastructure and environmental applications.

  2. Antioxidant additive in polypropylene fibers and nonwovens used in automotive interior components.

  3. Protection of injection-molded polyolefin parts exposed to elevated temperatures and UV stress.

  4. Stabilizer in blow-molded containers for food and chemical packaging requiring regulatory compliance.

  5. Functional additive in cable insulation compounds to ensure long-term electrical performance and aging resistance.

Specifications Of Albemarle AT-626 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid
Primary ApplicationsPolyolefins (PE, PP), industrial plastics, cables, and packaging
Key FeaturesThermal stability, low volatility, FDA-compliant for indirect food contact (21 CFR 178.2010)
BenefitsExtended service life, reduced discoloration, improved melt stability during extrusion
Storage ConditionsStore in original unopened container at <25°C, protected from moisture and direct sunlight
Regulatory StatusREACH registered; compliant with EU Directive 2002/72/EC for plastic food contact materials


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