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

Lianlong Rianox 626 Antioxidant

Lianlong Rianox 626 Antioxidant is a high-performance hindered phenolic antioxidant from Lianlong’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 processing, it ensures long-term polymer protection against oxidative degradation during manufacturing and end-use.
  • lianlong rianox 626 antioxidant_36a6945b
  • lianlong rianox 626 antioxidant_36a6945b

Features Of Lianlong Rianox 626 Antioxidant

  1. High-efficiency hindered phenolic antioxidant for long-term thermal and oxidative stability.

  2. Excellent compatibility with polyolefins, including PP, HDPE, and LDPE.

  3. Low volatility and minimal migration, ensuring consistent performance during processing and end-use.

  4. Non-discoloring formulation suitable for light-colored and clear polymer applications.

  5. Good synergistic effect when combined with phosphite co-stabilizers (e.g., Rianox 168).

Typical Applications Of Lianlong Rianox 626 Antioxidant

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

  2. Automotive interior components requiring UV and heat resistance.

  3. Food-contact packaging films and containers compliant with regional food safety regulations.

  4. Thin-walled injection-molded parts subject to high-temperature processing.

  5. Recycled polyolefin compounds where stabilization against reprocessing degradation is critical.

Specifications Of Lianlong Rianox 626 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white granules
AppearanceWhite to off-white granular solid
Melting Point120–125 °C (determined by DSC)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Ash Content≤ 0.05%
Primary ApplicationsPolyolefins, engineering plastics, masterbatches


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