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

Rianlon U-pack FS 301 Antioxidant

Rianlon U-pack FS 301 Antioxidant is a high-performance phenolic antioxidant developed by Rianlon Corporation for polymer stabilization. It offers excellent thermal and oxidative resistance in polyolefins, ABS, and engineering plastics. The FS series ensures low volatility, high compatibility, and minimal color formation. Widely used in automotive, packaging, and wire & cable applications, it enhances product longevity and processing stability under demanding conditions.
  • rianlon u pack fs 301 antioxidant_f7da53a3
  • rianlon u pack fs 301 antioxidant_f7da53a3

Features Of Rianlon U-pack FS 301 Antioxidant

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

  2. Free-flowing, dust-free masterbatch formulation ensures safe handling and uniform dispersion in polymer melts.

  3. Optimized for low-volatility and minimal plate-out, supporting high-speed extrusion and long-term processing stability.

  4. Compliant with major global food-contact regulations (EU No. 10/2011, FDA 21 CFR §178.2010) for approved polymer applications.

  5. Pre-dispersed at 30% active content in inert polyolefin carrier—enabling precise dosing and reduced formulation complexity.

Typical Applications Of Rianlon U-pack FS 301 Antioxidant

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

  2. Automotive interior components including PP-based dashboards, door trims, and air ducts.

  3. Food-grade packaging films and rigid containers made from polyolefins.

  4. Blown and cast polyethylene (PE) films for agricultural mulch and industrial liners.

  5. Recycled polyolefin compounds requiring robust stabilization against reprocessing degradation.

Specifications Of Rianlon U-pack FS 301 Antioxidant

Chemical TypeHindered phenol + phosphite synergistic blend
Product FormFree-flowing granular masterbatch
AppearanceOff-white to light beige cylindrical pellets
Active ContentApprox. 30 wt% total antioxidants
Carrier ResinLow-MI homopolymer polypropylene
Melt Flow Rate (190°C/2.16 kg)12–18 g/10 min
Typical Bulk Density0.65–0.72 g/cm³
Recommended Usage Level0.1–0.4 phr in final polymer compound


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