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

Rianlon RIANOX 1790 Antioxidant

Rianlon RIANOX 1790 is a high-performance hindered phenolic antioxidant from Rianlon’s RIANOX series, widely used in polyolefins, rubber, and engineering plastics to prevent thermal and oxidative degradation during processing and long-term service. It offers excellent melt stability, low volatility, and synergistic effects with phosphites.
  • rianlon rianox 1790 antioxidant_7a8334cd
  • rianlon rianox 1790 antioxidant_7a8334cd

Features Of Rianlon RIANOX 1790 Antioxidant

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

  2. Excellent compatibility with polyolefins, including PP, HDPE, and LDPE, without blooming or migration issues.

  3. Low volatility ensures long-term protection during high-temperature processing such as extrusion and injection molding.

  4. Synergistic with phosphite co-stabilizers (e.g., RIANOX 168) for enhanced melt stabilization and color retention.

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

Typical Applications Of Rianlon RIANOX 1790 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-grade packaging films and containers requiring extended shelf-life stability.

  4. Rotomolded and blow-molded HDPE tanks, drums, and industrial containers.

  5. Masterbatch formulations for UV- and heat-sensitive polymer systems.

Specifications Of Rianlon RIANOX 1790 Antioxidant

Chemical TypeHindered phenol (2,6-di-tert-butyl-4-methylphenol derivative)
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid, free from visible impurities
Melting Point50–55 °C (determined by capillary method)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Ash Content≤ 0.05%
Primary ApplicationsPolyolefins (PP, PE), engineering plastics, masterbatches


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