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

BASF Irganox GX2921 Antioxidant

BASF Irganox GX2921 is a high-performance hindered phenolic antioxidant from BASF’s Irganox series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic effects with phosphites. Widely used in automotive, packaging, and durable goods, it ensures long-term polymer protection during processing and end-use.
  • basf irganox gx2921 antioxidant_1b276577
  • basf irganox gx2921 antioxidant_1b276577

Features Of BASF Irganox GX2921 Antioxidant

  1. High-performance hindered phenolic antioxidant offering exceptional long-term thermal stability.

  2. Excellent compatibility with polyolefins, engineering plastics, and elastomers without blooming or migration.

  3. Low volatility and high melt stability—ideal for high-temperature processing such as extrusion and injection molding.

  4. Synergistic performance when combined with phosphite co-stabilizers (e.g., Irgafos 168) for enhanced oxidative protection.

  5. REACH-compliant and registered under TSCA; suitable for applications requiring regulatory transparency.

Typical Applications Of BASF Irganox GX2921 Antioxidant

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

  2. Polyethylene (PE) pipes and pressure piping systems requiring extended service life.

  3. Automotive interior components including dashboards, door trims, and under-hood parts.

  4. Blown and cast films for packaging where clarity, seal integrity, and aging resistance are critical.

  5. Recycled polyolefin compounds where stabilization against reprocessing-induced degradation is essential.

Specifications Of BASF Irganox GX2921 Antioxidant

Chemical TypeHindered phenol
Product FormPellets
AppearanceOff-white to light beige free-flowing pellets
Molecular Weight (approx.)521 g/mol
Melting Range105–115 °C
Primary ApplicationsPolyolefins (PP, PE), engineering thermoplastics, elastomers
Key FeaturesThermal stability, low volatility, excellent processing safety
BenefitsExtended product lifetime, reduced discoloration, improved mechanical retention


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