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

SI Group PW-9225B Antioxidant

SI Group PW-9225B Antioxidant is a high-performance phenolic antioxidant from SI Group’s PW series, designed for polymer stabilization in demanding thermal and oxidative environments. It offers excellent melt stability, low volatility, and superior compatibility with polyolefins, engineering plastics, and elastomers—ensuring extended service life and consistent processing performance across industrial applications.
  • si group pw 9225b antioxidant_45ab3c24
  • si group pw 9225b antioxidant_45ab3c24

Features Of SI Group PW-9225B Antioxidant

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

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

  3. Non-staining and low odor—ideal for applications requiring high aesthetic and sensory performance.

  4. Good hydrolytic stability, maintaining efficacy under humid processing and storage conditions.

  5. Regulatory compliant for use in food-contact plastics (FDA 21 CFR §178.2010 and EU Directive 10/2011).

Typical Applications Of SI Group PW-9225B Antioxidant

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

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

  3. Food packaging films and rigid containers made from polyethylene (PE) and polypropylene (PP).

  4. Electrical insulation materials and cable jacketing compounds.

  5. 3D printing filaments requiring long-term polymer stabilization during extrusion and service life.

Specifications Of SI Group PW-9225B 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; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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