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

Rianlon U-pack B215 Antioxidant

Rianlon U-pack B215 is a high-performance antioxidant blend designed for polyolefins and engineering plastics. It combines sterically hindered phenols and phosphites to deliver superior thermal stability and long-term oxidation resistance during processing and service life. Widely used in PP, PE, and ABS applications, it ensures consistent melt flow and color retention. The U-pack series offers excellent compatibility, low volatility, and regulatory compliance including FDA and EU food-contact approvals.
  • rianlon u pack b215 antioxidant_3248f233
  • rianlon u pack b215 antioxidant_3248f233

Features Of Rianlon U-pack B215 Antioxidant

  1. High-performance hindered phenolic antioxidant with synergistic phosphite co-stabilizer for enhanced thermal and oxidative stability.

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

  3. Low volatility and superior melt stability during high-temperature processing (up to 280 °C).

  4. U-pack formulation ensures uniform dispersion and consistent dosing in automated compounding systems.

  5. Meets global regulatory requirements including FDA 21 CFR §178.2010 and EU Regulation (EC) No. 10/2011 for food-contact plastics.

Typical Applications Of Rianlon U-pack B215 Antioxidant

  1. Automotive interior and under-hood polypropylene components requiring long-term thermo-oxidative resistance.

  2. Food-grade packaging films and containers made from polyolefin resins.

  3. Medical-grade polyethylene tubing and syringe barrels requiring biocompatibility and shelf-life stability.

  4. Industrial blow-molded tanks and large-volume containers exposed to outdoor UV and thermal cycling.

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

Specifications Of Rianlon U-pack B215 Antioxidant

Chemical TypeHindered phenol + phosphite synergistic blend
Product FormFree-flowing white granules
AppearanceUniform cylindrical pellets, off-white to light beige
Primary ApplicationsPolyolefins (PP, PE), engineering thermoplastics, recycled resins
Key FeaturesThermal stability, low extractability, non-staining, halogen-free
Recommended Dosage0.1–0.4 wt% depending on resin and service conditions
Storage ConditionsStore in cool, dry place below 30 °C; keep container tightly sealed
Shelf Life24 months from date of manufacture when stored properly


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