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

Koala UN 53 20 Masterbatch

Koala UN 53 20 Masterbatch is a high-performance polyolefin-based color concentrate from Koala’s UN Series, engineered for excellent dispersion, thermal stability, and low migration in PP/PE applications. It delivers consistent coloring, high loading efficiency, and compliance with global food-contact regulations including FDA and EU 10/2011.
  • koala un 53 20 masterbatch_cd835fe7
  • koala un 53 20 masterbatch_cd835fe7

Features Of Koala UN 53 20 Masterbatch

  1. Highly concentrated UV stabilizer masterbatch for enhanced long-term polymer protection.

  2. Excellent dispersion performance in polyolefin matrices including PP and HDPE.

  3. Thermally stable formulation suitable for processing temperatures up to 260 °C.

  4. Low migration and blooming resistance, ensuring surface integrity and aesthetic consistency.

  5. Compliant with FDA 21 CFR §178.2010 for indirect food contact applications.

Typical Applications Of Koala UN 53 20 Masterbatch

  1. Automotive interior trim components exposed to sunlight and thermal cycling.

  2. Outdoor agricultural films requiring extended UV resistance and weatherability.

  3. Packaging films for pharmaceutical and food-grade containers.

  4. Rotomolded tanks and industrial storage vessels.

  5. Blown and cast polypropylene packaging tapes and labels.

Specifications Of Koala UN 53 20 Masterbatch

Chemical TypeHindered amine light stabilizer (HALS) + UV absorber synergy
Product FormPellets
AppearanceLight beige free-flowing pellets
Carrier ResinHomopolymer polypropylene (PP)
Active Content20 wt% UV stabilizer system
Density (g/cm³)0.90–0.92
Melt Flow Rate (g/10 min, 230 °C/2.16 kg)25–35
Recommended Dosage1.5–3.0 wt% in final compound


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