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

ADEKA ADK STAB AO-50 Antioxidants

ADEKA ADK STAB AO-50 is a high-performance phenolic antioxidant from ADEKA’s ADK STAB series, designed for thermal stabilization of polyolefins and engineering plastics. It offers excellent melt stability, low volatility, and synergistic effects with phosphites. Widely used in PP, PE, and ABS applications requiring long-term aging resistance and color retention.
  • adeka adk stab ao 50 antioxidants_65820032
  • adeka adk stab ao 50 antioxidants_65820032

Features Of ADEKA ADK STAB AO-50 Antioxidants

  1. High-performance hindered phenolic antioxidant offering excellent thermal and oxidative stability.

  2. Low volatility and superior migration resistance, ensuring long-term protection in demanding processing conditions.

  3. Excellent compatibility with polyolefins, engineering plastics, and elastomers without blooming or plate-out.

  4. Non-staining and low-color formation, preserving the aesthetic integrity of final products.

  5. Regulatory compliant for food-contact applications in major global markets (e.g., FDA 21 CFR §178.2010, EU Directive 10/2011).

Typical Applications Of ADEKA ADK STAB AO-50 Antioxidants

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

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

  3. Food packaging materials requiring FDA- or EU-compliant stabilization.

  4. Medical-grade polyolefin devices and tubing requiring biocompatibility and shelf-life extension.

  5. Industrial hoses, gaskets, and seals exposed to elevated temperatures and environmental stress.

Specifications Of ADEKA ADK STAB AO-50 Antioxidants

Chemical TypeHindered phenol (pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate])
Product FormFree-flowing white to off-white granules
AppearanceGranular, uniform particle size, no dust
Melting Point119–123 °C (by DSC)
Assay (Purity)≥ 99.0% (by HPLC)
Volatile Matter≤ 0.1% (at 105 °C, 2 h)
Ash Content≤ 0.02%
Primary ApplicationsPolyolefins, engineering thermoplastics, elastomers


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