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

Rianlon U-pack B 1171 Antioxidant

Rianlon U-pack B 1171 Antioxidant is a high-performance, phosphite-based stabilizer developed by Rianlon Corporation for polyolefins and engineering plastics. It offers exceptional melt stability, color retention, and synergistic effects with phenolic antioxidants. Widely used in PP, PE, and compounds requiring low volatility and high processing safety.
  • rianlon u pack b 1171 antioxidant_b0c9df8d
  • rianlon u pack b 1171 antioxidant_b0c9df8d

Features Of Rianlon U-pack B 1171 Antioxidant

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

  2. Designed for synergistic performance with phosphite co-stabilizers in demanding polymer processing conditions.

  3. Low volatility and minimal migration, ensuring long-term protection in thick-section and high-temperature applications.

  4. Compatible with polyolefins including PP, HDPE, LDPE, and LLDPE without adverse effects on clarity or color.

  5. Free-flowing uniform granules for precise dosing and improved handling in automated compounding lines.

Typical Applications Of Rianlon U-pack B 1171 Antioxidant

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

  2. HDPE blow-molded containers requiring FDA-compliant stabilization for food contact.

  3. LLDPE agricultural films exposed to prolonged UV and thermal stress.

  4. PP injection-molded automotive components such as bumpers, dashboards, and battery cases.

  5. Recycled polyolefin compounds where enhanced melt stability during reprocessing is critical.

Specifications Of Rianlon U-pack B 1171 Antioxidant

Chemical TypeHindered phenol (pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate])
Product FormFree-flowing uniform granules
AppearanceWhite to off-white granules
Primary ApplicationsPolyolefins (PP, PE), recycled polymers, fiber-grade resins
Key FeaturesThermal stability, low volatility, synergistic with phosphites
BenefitsExtended service life, reduced discoloration, consistent melt flow retention
Recommended Use Level0.1–0.4 wt% depending on polymer type and processing conditions
Storage ConditionsStore in cool, dry, well-ventilated area; keep container tightly closed


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