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

RianoX 445 Antioxidant

RianoX 445 Antioxidant is a high-performance phenolic antioxidant from RianoX’s premium additive series, engineered for polyolefins and engineering plastics. It delivers exceptional thermal stability, low volatility, and synergistic compatibility with phosphites. Widely used in PP, PE, and TPO applications, it ensures long-term polymer protection during processing and end-use. Meets FDA and EU food-contact regulations.
  • rianox 445 antioxidant_3ba114ca
  • rianox 445 antioxidant_3ba114ca

Features Of RianoX 445 Antioxidant

  1. Highly effective phenolic antioxidant with synergistic secondary stabilization.

  2. Excellent thermal and oxidative stability during high-temperature polymer processing.

  3. Low volatility and minimal migration, ensuring long-term performance in end products.

  4. Compatible with polyolefins, engineering plastics, and elastomers without compromising mechanical properties.

  5. Meets global regulatory requirements including FDA 21 CFR §178.2010 and EU Directive 10/2011 for food-contact applications.

Typical Applications Of RianoX 445 Antioxidant

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

  2. Automotive interior components including dashboards and door trims.

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

  4. Geotextiles and agricultural films requiring extended outdoor UV/thermal resistance.

  5. Recycled polymer streams where stabilization against reprocessing degradation is critical.

Specifications Of RianoX 445 Antioxidant

Chemical TypeSynthetic hindered phenol
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid
Melting Point120–125 °C (determined by DSC)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Heavy Metals (as Pb)≤ 5 ppm
Primary ApplicationsPolyolefins, engineering thermoplastics, recycled polymers


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