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

Rianlon U-pack B 561 Antioxidant

Rianlon U-pack B 561 Antioxidant is a high-performance, liquid-phase phenolic antioxidant designed for polymer stabilization. It offers excellent thermal and oxidative resistance in polyolefins, elastomers, and adhesives. Compatible with processing aids, it ensures low volatility, good solubility, and synergistic effects with phosphites. Widely used in extrusion and injection molding applications for long-term protection and color stability.
  • rianlon u pack b 561 antioxidant_32048836
  • rianlon u pack b 561 antioxidant_32048836

Features Of Rianlon U-pack B 561 Antioxidant

  1. High-performance synergistic blend of hindered phenolic and phosphite antioxidants.

  2. Excellent thermal stability for processing polyolefins at elevated temperatures.

  3. Low volatility and minimal plate-out, ensuring clean extrusion and stable melt flow.

  4. Compatible with common polymer additives including UV stabilizers and acid scavengers.

  5. Designed for easy handling as a free-flowing, dust-free masterbatch pellet.

Typical Applications Of Rianlon U-pack B 561 Antioxidant

  1. Polypropylene (PP) fibers and nonwovens.

  2. PP and HDPE injection-molded automotive components.

  3. Blown and cast polyolefin films for packaging.

  4. Rotomolded polyethylene tanks and containers.

  5. Recycled polyolefin compounds requiring enhanced stabilization.

Specifications Of Rianlon U-pack B 561 Antioxidant

Chemical TypeHindered phenol + phosphite synergistic system
Product FormFree-flowing masterbatch pellets
AppearanceOff-white to light beige cylindrical pellets
Primary ApplicationsPolypropylene, polyethylene (HDPE, LLDPE), copolymers
Key FeaturesThermal processing stability, low migration, high compatibility
BenefitsExtended polymer service life, reduced discoloration, improved mechanical retention
Recommended Dosage0.1–0.4 wt% depending on polymer grade and processing conditions
Storage ConditionsStore in cool, dry place; keep container tightly closed


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