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

ADEKA ADK STAB A-612 Antioxidants

ADEKA ADK STAB A-612 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 ABS to prevent oxidative degradation during processing and long-term service.
  • adeka adk stab a 612 antioxidants_01489989
  • adeka adk stab a 612 antioxidants_01489989

Features Of ADEKA ADK STAB A-612 Antioxidants

  1. High-performance hindered phenolic antioxidant with synergistic phosphite stabilization.

  2. Excellent thermal and long-term oxidative stability for demanding polymer processing conditions.

  3. Low volatility and minimal migration, ensuring sustained protection in thick-section or high-temperature applications.

  4. Compatible with a broad range of thermoplastics, elastomers, and engineering resins including polyolefins and styrenics.

  5. Meets stringent regulatory requirements for food-contact and medical-grade polymer formulations (e.g., FDA 21 CFR §178.2010, EU Directive 10/2011).

Typical Applications Of ADEKA ADK STAB A-612 Antioxidants

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

  2. High-density polyethylene (HDPE) pipes and pressure-rated fittings.

  3. Thermoplastic elastomer (TPE) compounds used in medical tubing and seals.

  4. Styrenic copolymers (e.g., ABS, HIPS) for durable consumer electronics housings.

  5. Recycled polyolefin blends requiring robust stabilization against reprocessing degradation.

Specifications Of ADEKA ADK STAB A-612 Antioxidants

Chemical TypeHindered phenol with phosphite co-stabilizer
Product FormFree-flowing white to off-white granules
AppearanceUniform cylindrical pellets, 2–3 mm diameter
Primary ApplicationsPolyolefins, styrenics, TPEs, and engineering thermoplastics
Key FeaturesHeat resistance up to 280°C (short-term), low extractability, low odor
BenefitsExtended service life, reduced discoloration, improved melt stability during extrusion/injection molding
Regulatory ComplianceFDA 21 CFR §178.2010, EU 10/2011, RoHS compliant, REACH registered
Recommended Use Level0.1–0.5 wt% depending on polymer matrix and processing severity


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