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

SI Group AT-3114 Antioxidant

SI Group AT-3114 Antioxidant is a high-performance hindered phenolic antioxidant from SI Group’s AT-series, designed for polymer stabilization in demanding thermal and oxidative environments. It offers excellent melt protection, low volatility, and compatibility with polyolefins, engineering plastics, and elastomers. Widely used in automotive, packaging, and cable applications to extend service life and maintain mechanical properties.
  • si group at 3114 antioxidant_f142dde5
  • si group at 3114 antioxidant_f142dde5

Features Of SI Group AT-3114 Antioxidant

  1. High-performance hindered phenolic antioxidant offering exceptional thermal and oxidative stability.

  2. Low volatility and excellent compatibility with polyolefins, elastomers, and engineering thermoplastics.

  3. Non-staining and low migration, supporting long-term color and mechanical property retention.

  4. Effective at low treat rates (0.05–0.3 wt%), delivering cost-efficient stabilization.

  5. Meets major regulatory requirements including FDA 21 CFR §178.2010 and EU Regulation (EC) No. 10/2011 for food-contact applications.

Typical Applications Of SI Group AT-3114 Antioxidant

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

  2. Polyethylene (PE) films and blow-molded containers for packaging.

  3. Thermoplastic elastomers (TPEs) in automotive interior components.

  4. Engineering plastics such as polyamide (PA6, PA66) for under-hood applications.

  5. Recycled polyolefin compounds requiring robust reprocessing stability.

Specifications Of SI Group AT-3114 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white crystalline powder
AppearanceWhite to light tan crystalline powder
Melting Point120–125 °C (by DSC)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Ash Content≤ 0.05%
Primary ApplicationsPolyolefins, TPEs, polyamides, recycled polymers


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