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

Albemarle AT-733 Antioxidant

Albemarle AT-733 is a high-performance hindered phenolic antioxidant from the AT-series, designed for polyolefins and engineering plastics. It offers superior thermal stability, low volatility, and excellent processing protection. Compatible with PP, PE, and elastomers, it prevents oxidative degradation during extrusion and molding. Widely used in automotive, packaging, and durable goods applications for long-term polymer stabilization.
  • albemarle at 733 antioxidant_39257835
  • albemarle at 733 antioxidant_39257835

Features Of Albemarle AT-733 Antioxidant

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

  2. Low volatility and minimal migration, ensuring retention in polymer matrices during processing and service life.

  3. Compatible with polyolefins, engineering thermoplastics, and elastomers without compromising mechanical properties.

  4. Non-staining and low-color formation, suitable for applications requiring high aesthetic clarity or light color stability.

  5. Regulatory compliant for food-contact applications under FDA 21 CFR §178.2010 and EU Regulation (EC) No 10/2011.

Typical Applications Of Albemarle AT-733 Antioxidant

  1. Polypropylene (PP) and polyethylene (PE) fibers, films, and injection-molded parts.

  2. Automotive interior components exposed to elevated temperatures and UV stress.

  3. Medical-grade thermoplastic elastomers (TPEs) and polyolefin-based disposable devices.

  4. Food packaging films and containers requiring regulatory compliance and oxidative protection.

  5. Industrial hoses, gaskets, and seals where long-term aging resistance is critical.

Specifications Of Albemarle AT-733 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white powder
AppearanceFree-flowing crystalline powder
Primary ApplicationsPolyolefins, TPEs, engineering plastics
Key FeaturesThermal stability, low volatility, non-staining
BenefitsExtended polymer lifetime, reduced discoloration, processing robustness
Regulatory StatusFDA 21 CFR §178.2010, EU 10/2011 compliant
Recommended Loading Range0.1 – 0.5 wt% (based on polymer)


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