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

Sunshow Sunsave 5520 Benzotriazole UV Absorber

Sunshow Sunsave 5520 is a high-performance benzotriazole-based UV absorber from Sunshow’s Sunsave series, offering exceptional photostability and thermal resistance for coatings, plastics, and adhesives. It effectively prevents UV-induced degradation, yellowing, and polymer chain scission while maintaining clarity and compatibility across diverse resin systems.
  • sunshow sunsave 5520 benzotriazole uv absorber_257f5e29
  • sunshow sunsave 5520 benzotriazole uv absorber_257f5e29

Features Of Sunshow Sunsave 5520 Benzotriazole UV Absorber

  1. Highly effective UV absorption in the 270–380 nm range, providing robust protection against photodegradation.

  2. Excellent thermal stability up to 220 °C, suitable for high-temperature polymer processing.

  3. Good compatibility with a broad range of polymers including polyolefins, ABS, PC, and PVC.

  4. Low volatility and minimal migration, ensuring long-term performance in thin-film and outdoor applications.

  5. Non-discoloring formulation—maintains clarity and color fidelity in transparent and light-colored systems.

Typical Applications Of Sunshow Sunsave 5520 Benzotriazole UV Absorber

  1. Automotive interior plastics (dashboards, trim, instrument panels).

  2. Outdoor construction materials (window profiles, siding, fencing).

  3. Packaging films requiring UV stability (food-grade laminates, agricultural mulch films).

  4. Coatings for architectural and industrial metal surfaces.

  5. Engineering thermoplastics used in consumer electronics housings.

Specifications Of Sunshow Sunsave 5520 Benzotriazole UV Absorber

Chemical TypeBenzotriazole derivative
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, odorless
Melting Point98–102 °C
Solubility (in Toluene)Freely soluble at 25 °C
UV Absorption Max (λmax)310–315 nm (in ethanol)
pH (1% aqueous dispersion)6.0–7.5
Heavy Metals (as Pb)<10 ppm


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