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

Sunshow Sunsave 5518 Benzotriazole UV Absorber

Sunshow Sunsave 5518 is a high-performance benzotriazole-based UV absorber from the Sunsave series, offering exceptional photostability and broad-spectrum UV protection for plastics, coatings, and adhesives. It ensures long-term color retention and mechanical property preservation under intense sunlight exposure.
  • sunshow sunsave 5518 benzotriazole uv absorber_df7aaaf2
  • sunshow sunsave 5518 benzotriazole uv absorber_df7aaaf2

Features Of Sunshow Sunsave 5518 Benzotriazole UV Absorber

  1. Highly effective UV absorption in the 290–400 nm range, providing broad-spectrum protection against photodegradation.

  2. Excellent compatibility with a wide range of polymers including polyolefins, polycarbonates, and engineering thermoplastics.

  3. Outstanding thermal and hydrolytic stability, ensuring consistent performance during high-temperature processing and long-term service life.

  4. Low volatility and minimal migration, reducing surface blooming and maintaining clarity in transparent applications.

  5. Non-discoloring formulation that preserves original color integrity and optical properties of end products.

Typical Applications Of Sunshow Sunsave 5518 Benzotriazole UV Absorber

  1. Automotive interior parts: dashboards, trim components, and instrument panels.

  2. Outdoor building materials: PVC window profiles, roofing membranes, and cladding systems.

  3. Packaging films for UV-sensitive contents, including agricultural mulch films and food-grade laminates.

  4. Coatings and inks for exterior signage, automotive refinishes, and industrial protective coatings.

  5. Optical-grade plastics used in lighting housings, lenses, and display enclosures.

Specifications Of Sunshow Sunsave 5518 Benzotriazole UV Absorber

Chemical TypeBenzotriazole derivative
Product FormOff-white to light yellow crystalline powder
AppearanceFree-flowing crystalline solid
Molecular WeightApprox. 332 g/mol
SolubilitySoluble in common organic solvents (e.g., chloroform, THF, toluene); low solubility in water
Primary ApplicationsUV stabilization of polymers and coatings
Key FeaturesPhotostable, non-basic, low volatility
BenefitsExtended product lifetime, retained mechanical properties, enhanced weatherability


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