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

SI Group AT-76 Antioxidant

SI Group AT-76 Antioxidant is a high-performance hindered phenolic antioxidant from the SI Group’s AT-series, designed for polyolefins and elastomers. It offers exceptional thermal stability, low volatility, and synergistic performance with phosphites. Widely used in PP, PE, and TPE applications, it ensures long-term polymer protection during processing and end-use.
  • si group at 76 antioxidant_a84d10a3
  • si group at 76 antioxidant_a84d10a3

Features Of SI Group AT-76 Antioxidant

  1. High-performance hindered phenolic antioxidant for superior long-term thermal stability.

  2. Excellent compatibility with polyolefins, styrenics, and engineering thermoplastics.

  3. Low volatility and minimal migration, ensuring consistent performance during processing and end-use.

  4. Non-staining and low odor—ideal for applications requiring aesthetic and sensory integrity.

  5. Readily dispersible in molten polymer matrices, supporting efficient incorporation via extrusion or compounding.

Typical Applications Of SI Group AT-76 Antioxidant

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

  2. Automotive interior components including dashboards, trim, and under-hood parts.

  3. Packaging films and containers requiring FDA-compliant stabilization (where permitted).

  4. Household appliances and consumer electronics housings made from ABS and HIPS.

  5. Rotomolded polyethylene tanks and industrial containers exposed to elevated temperatures.

Specifications Of SI Group AT-76 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white powder
AppearanceFree-flowing crystalline powder
Primary ApplicationsPolyolefins, styrenics, engineering plastics
Key FeaturesThermal stability, low volatility, non-staining
BenefitsExtended polymer service life, reduced discoloration, improved melt stability
Storage ConditionsStore in cool, dry place below 30°C in original sealed packaging


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