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

SI Group AT-702 Antioxidant

SI Group AT-702 Antioxidant is a high-performance hindered phenolic antioxidant from SI Group’s AT-series, designed for polyolefins and elastomers. It offers exceptional thermal stability, low volatility, and excellent processing safety. Compatible with peroxide-cured systems, it prevents oxidative degradation during manufacturing and end-use. Widely used in automotive, cable, and industrial rubber applications.
  • si group at 702 antioxidant_69298503
  • si group at 702 antioxidant_69298503

Features Of SI Group AT-702 Antioxidant

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

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

  3. Non-staining and low-color formation—ideal for light-colored and clear polymer applications.

  4. Good hydrolytic stability and resistance to extraction during processing or end-use exposure.

  5. Regulatory-compliant for food-contact applications in accordance with FDA 21 CFR §178.2010 and EU Directive 10/2011.

Typical Applications Of SI Group AT-702 Antioxidant

  1. Polypropylene (PP) fibers and injection-molded automotive parts.

  2. Polyethylene (PE) films, pipes, and rotational molding compounds.

  3. Thermoplastic elastomers (TPEs) and styrenic block copolymers (SBCs).

  4. Engineering plastics including polybutylene terephthalate (PBT) and polyamide (PA6/PA66).

  5. Recycled polymer streams requiring robust stabilization against reprocessing degradation.

Specifications Of SI Group AT-702 Antioxidant

Chemical TypeHindered phenol
Product FormPellets
AppearanceOff-white to light tan free-flowing pellets
Melting Range50–60 °C
Assay (by HPLC)≥ 98.0%
Volatile Matter (105 °C, 2 h)≤ 0.5%
Ash Content≤ 0.1%
Primary ApplicationsPolyolefins, elastomers, engineering thermoplastics


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