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

ADEKA ADK STAB A-611 Antioxidants

ADEKA ADK STAB A-611 is a high-performance hindered phenolic antioxidant from ADEKA’s ADK STAB series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic effects with phosphites. Widely used in PP, PE, and TPE applications to prevent oxidative degradation during processing and long-term service life.
  • adeka adk stab a 611 antioxidants_01606a50
  • adeka adk stab a 611 antioxidants_01606a50

Features Of ADEKA ADK STAB A-611 Antioxidants

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

  2. Low volatility and minimal migration, ensuring long-term effectiveness in demanding processing conditions.

  3. Excellent compatibility with polyolefins, engineering plastics, and elastomers.

  4. Non-staining and low-color formation, preserving product aesthetics in light-colored applications.

  5. Regulatory compliant for food-contact applications under FDA 21 CFR §178.2010 and EU Directive 10/2011.

Typical Applications Of ADEKA ADK STAB A-611 Antioxidants

  1. Polypropylene (PP) fibers and nonwovens for automotive and hygiene markets.

  2. High-density polyethylene (HDPE) blow-molded containers and fuel tanks.

  3. Thermoplastic elastomers (TPEs) used in seals, gaskets, and soft-touch components.

  4. Recycled polyolefin compounds requiring robust stabilization against reprocessing degradation.

  5. Electrical insulation materials and cable jacketing compounds.

Specifications Of ADEKA ADK STAB A-611 Antioxidants

Chemical TypeHindered phenol
Product FormPellets
AppearanceOff-white to light beige free-flowing pellets
Melting Point115–125 °C (by DSC)
Assay (by HPLC)≥ 98.0%
Volatility (120 °C, 3 h)≤ 0.5% w/w
Primary ApplicationsPolyolefins, TPEs, recycled polymers
Key FeaturesLow migration, high thermal stability, FDA-compliant


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