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

Rianlon RIANOX PEP-36 Antioxidant

Rianlon RIANOX PEP-36 Antioxidant is a high-performance phosphite-based stabilizer from Rianlon’s RIANOX series, widely used in polyolefins and engineering plastics. It offers exceptional melt stability, color retention, and synergistic effects with phenolic antioxidants. Designed for extrusion and injection molding, it ensures consistent polymer quality under high-temperature processing while meeting stringent regulatory requirements for food-contact applications.
  • rianlon rianox pep 36 antioxidant_03a6ab69
  • rianlon rianox pep 36 antioxidant_03a6ab69

Features Of Rianlon RIANOX PEP-36 Antioxidant

  1. High-performance phosphite antioxidant offering exceptional hydrolytic stability in demanding processing conditions.

  2. Excellent melt stabilization for polyolefins during extrusion, injection molding, and blow molding.

  3. Synergistic with phenolic antioxidants (e.g., Irganox 1010), enhancing overall oxidative resistance.

  4. Low volatility and minimal plate-out, ensuring clean operation and consistent product quality.

  5. Compliant with major global food-contact regulations including FDA 21 CFR §178.2010 and EU Directive 10/2011.

Typical Applications Of Rianlon RIANOX PEP-36 Antioxidant

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

  2. Automotive interior components such as dashboards, door trims, and air ducts.

  3. Food-grade packaging films and containers made from homopolymer and copolymer PP.

  4. Rotomolded polyethylene (PE) tanks and industrial containers.

  5. Blown and cast polyolefin films requiring long-term thermal and UV stability.

Specifications Of Rianlon RIANOX PEP-36 Antioxidant

Chemical TypeTris(2,4-di-tert-butylphenyl) phosphite
Product FormWhite to off-white free-flowing crystalline powder
AppearanceCrystalline solid, no visible impurities
Melting Point195–205 °C (determined by DSC)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Heavy Metals (as Pb)≤ 10 ppm
Primary ApplicationsPolyolefins (PP, PE), engineering plastics, adhesives, and polymer masterbatches


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