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

RianoX 626 Antioxidant

RianoX 626 Antioxidant is a high-performance phenolic antioxidant from RianoChem’s RianoX series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic compatibility with phosphites. Widely used in PP, PE, and ABS to prevent oxidative degradation during processing and long-term service life.
  • rianox 626 antioxidant_7e1df873
  • rianox 626 antioxidant_7e1df873

Features Of RianoX 626 Antioxidant

  1. Highly effective phenolic antioxidant with synergistic stabilization performance in polyolefins.

  2. Excellent thermal stability up to 280 °C during processing, minimizing volatilization and discoloration.

  3. Low volatility and low migration tendency, ensuring long-term polymer protection and compliance with food-contact regulations.

  4. Compatible with common co-stabilizers including phosphites and thioesters for enhanced oxidative resistance.

  5. Readily dispersible in molten polymer matrices, supporting uniform distribution and consistent performance.

Typical Applications Of RianoX 626 Antioxidant

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

  2. Polyethylene (PE) blow-molded containers and HDPE pipes.

  3. Automotive interior components including PP instrument panels and trim parts.

  4. Food packaging films requiring FDA-compliant stabilization systems.

  5. Recycled polyolefin compounds where processing stability and color retention are critical.

Specifications Of RianoX 626 Antioxidant

Chemical TypeSynthetic hindered phenol
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid, no visible dust or clumps
Melting Point125–130 °C (DSC, heating rate 10 °C/min)
Assay (by HPLC)≥ 99.0 wt%
Volatility (105 °C, 2 h)≤ 0.5 wt%
Heavy Metals (as Pb)≤ 5 ppm
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), engineering plastics blends


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