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

SI Group AT-626 Polyphenol Antioxidants

SI Group Antioxidant AT-626 is a high-molecular-weight polyphenolic antioxidant powder offering superior polymer protection. Its unique molecular structure provides excellent oxidation resistance and extraction stability, making it ideal for demanding polymer applications requiring long-term thermal and color stability.

Features Of SI Group AT-626 Polyphenol Antioxidants

  1. Molecular Shield - High MW structure for lasting protection

  2. Thermal Defender - Maintains stability at elevated temperatures

  3. Color Guardian - Prevents light/heat-induced discoloration

  4. Extraction Resistant - Excellent retention in polymer matrices

  5. Universal Performer - Broad polymer compatibility

Typical Applications Of SI Group AT-626 Polyphenol Antioxidants

  1. Engineering Plastics - Polyamide automotive components

  2. Packaging Materials - PP food containers & PS disposables

  3. Durable Rubber - Synthetic rubber industrial belts

  4. High-Temp Lubricants - Industrial gear oils

  5. Protective Coatings - Metal surface treatments

Specifications Of SI Group AT-626 Polyphenol Antioxidants

Parameter
Value
Appearance
White powder
Molecular Weight
1178
Melting Point Range
110 - 125℃
Solubility in Water
Insoluble
Solubility in Ethanol
Slightly soluble
Solubility in Benzene, Acetone, Esters
Soluble


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