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

ADEKA ADK STAB A-611 Antioxidant

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 excellent thermal stability, low volatility, and superior long-term oxidation resistance. Widely used in PP, PE, and TPO applications, it ensures processing safety and extends product service life without discoloration or odor issues.
  • adeka adk stab a 611 antioxidant_82ed2df6
  • adeka adk stab a 611 antioxidant_82ed2df6

Features Of ADEKA ADK STAB A-611 Antioxidant

  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. Compatible with a broad range of polymers including polyolefins, engineering plastics, and elastomers.

  4. Non-staining and low-color formation, preserving aesthetic integrity in light-colored and transparent applications.

  5. Regulatory-compliant for food-contact and medical-grade polymer formulations where applicable.

Typical Applications Of ADEKA ADK STAB A-611 Antioxidant

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

  2. Automotive interior components requiring UV resistance and low fogging.

  3. Medical tubing and packaging where extractables and biocompatibility are critical.

  4. Food packaging films and containers compliant with FDA 21 CFR and EU 10/2011 requirements.

  5. Wire & cable insulation and sheathing for enhanced aging resistance under thermal stress.

Specifications Of ADEKA ADK STAB A-611 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white powder
AppearanceCrystalline powder
Melting Point125–130 °C (determined by DSC)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Residue on Ignition≤ 0.1%
Primary ApplicationsPolyolefins, engineering thermoplastics, medical & food-contact polymers


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