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

ADEKA ADK STAB PEP-36 Antioxidants

ADEKA ADK STAB PEP-36 is a high-performance phosphite antioxidant from ADEKA’s ADK STAB series, designed for polyolefins and engineering plastics. It offers exceptional melt stability, color retention, and synergistic effects with hindered phenols. Widely used in PP, PE, and ABS processing, it ensures long-term thermal oxidation resistance during extrusion and molding.
  • adeka adk stab pep 36 antioxidants_8523275f
  • adeka adk stab pep 36 antioxidants_8523275f

Features Of ADEKA ADK STAB PEP-36 Antioxidants

  1. High-performance phosphite antioxidant offering exceptional hydrolytic stability in demanding processing conditions.

  2. Excellent melt stabilization for polyolefins during extrusion, injection molding, and blow molding.

  3. Low volatility and minimal odor—ideal for applications requiring high thermal stability and low extractables.

  4. Synergistic with hindered phenol antioxidants (e.g., ADK STAB AO-50, AO-60) to enhance long-term oxidative resistance.

  5. Complies with FDA 21 CFR §178.2010 and EU Regulation (EC) No 10/2011 for food-contact plastics.

Typical Applications Of ADEKA ADK STAB PEP-36 Antioxidants

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

  2. Automotive interior parts including PP-based dashboards, door trims, and under-hood components.

  3. Food packaging films and containers made from polyolefin resins.

  4. Rotomolded tanks and industrial containers requiring extended service life at elevated temperatures.

  5. Recycled polyolefin compounds where enhanced stabilization against thermo-oxidative degradation is critical.

Specifications Of ADEKA ADK STAB PEP-36 Antioxidants

Chemical TypeTris(2,4-di-tert-butylphenyl) phosphite
Product FormWhite to off-white crystalline powder
AppearanceFree-flowing granular solid
Melting Point195–205 °C (determined by DSC)
Assay (by HPLC)≥ 99.0%
Acid Value≤ 0.1 mg KOH/g
Moisture Content≤ 0.1 wt%
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), engineering plastics, recycled polymer systems


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