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

ADEKA ADK STAB 1178 Phosphite Antioxidant

ADEKA ADK STAB 1178 is a high-performance phosphite antioxidant from ADEKA’s STAB series, widely used in polyolefins and engineering plastics for superior melt stabilization and hydroperoxide decomposition. It offers excellent processing stability, low volatility, and synergistic effects with hindered phenols.
  • adeka adk stab 1178 phosphite antioxidant_72849988
  • adeka adk stab 1178 phosphite antioxidant_72849988

Features Of ADEKA ADK STAB 1178 Phosphite Antioxidant

  1. Highly effective hydroperoxide decomposer for enhanced polymer stabilization during processing and long-term service life.

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

  3. Thermally stable up to 300 °C, supporting high-temperature extrusion, injection molding, and blow molding processes.

  4. Low volatility and minimal odor, contributing to improved workplace safety and reduced VOC emissions.

  5. Synergistic performance when combined with hindered phenolic antioxidants (e.g., ADK STAB AO-60), enabling optimized stabilization packages.

Typical Applications Of ADEKA ADK STAB 1178 Phosphite Antioxidant

  1. Polypropylene (PP) fibers, tapes, and automotive interior components.

  2. High-density polyethylene (HDPE) pipes, fuel tanks, and rotational molded parts.

  3. Thermoplastic elastomers (TPEs) used in seals, grips, and medical tubing.

  4. Engineering thermoplastics including polybutylene terephthalate (PBT) and polyamide (PA) compounds.

  5. Recycled polyolefin formulations requiring robust melt stabilization and color retention.

Specifications Of ADEKA ADK STAB 1178 Phosphite Antioxidant

Chemical TypeTris(2,4-di-tert-butylphenyl) phosphite
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, free from visible impurities
Melting Point195–205 °C (determined by DSC)
Assay (by HPLC)≥ 98.0%
Volatility (180 °C, 2 h)≤ 1.0% loss
Primary ApplicationsPolyolefins, engineering plastics, TPEs, recycled resins
Key FeaturesHydroperoxide decomposition, thermal stability, low volatility, synergism with phenolics


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