Speciality Chemicals

UV Absorber UV-5050

  • CAS No.104810-48-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-performance liquid UV absorber designed for industrial coatings, offering superior thermal stability and broad-spectrum protection for wood, plastic, and automotive finishes.

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Product Technical Details

Product Overview

UV Absorber UV-5050 represents a sophisticated class of composite light stabilizers engineered specifically for demanding coating applications. Delivered as a viscous amber liquid, this formulation offers exceptional ease of handling and integration compared to traditional solid alternatives. Its primary function involves safeguarding substrates against the detrimental effects of ultraviolet radiation, thereby significantly extending the service life of coated materials exposed to harsh environmental conditions.

Engineered for high performance, this additive exhibits remarkable thermal stability, making it an ideal candidate for high-temperature baking systems. Whether utilized in solventborne or waterborne formulations, UV-5050 ensures consistent protection without compromising the clarity or color of the final finish. Its broad absorption wave range provides comprehensive shielding for photosensitive substrates including wood, plastics, and various polymeric materials, preventing degradation and maintaining aesthetic appeal over time.

Technical Specifications

ParameterValue
AppearanceViscous amber liquid
Viscosity at 25°C7000 mPa.s
Density at 20°C1.03 g/cm3
Water SolubilityLess than 0.01%
Organic Solvent CompatibilityMiscible at ratio greater than 50%
Packaging20kg blue plastic bucket

Key Performance Benefits

The versatility of UV-5050 allows for seamless integration into a wide spectrum of industrial coating systems. It is particularly recommended for clear coats and light-colored paints where yellowing resistance is critical for maintaining product value. The liquid form factor ensures rapid dispersion within the matrix, reducing processing time and energy consumption during manufacturing. Furthermore, its compatibility with most organic solvents used in coatings allows formulators flexibility in designing robust systems.

  • Exceptional thermal stability suitable for high-temperature bake systems.
  • Broad spectrum UV absorption protects against both UVA and UVB radiation.
  • Low volatility ensures long-term durability in exterior applications.
  • Compatible with waterborne and solventborne systems for versatile use.
  • Prevents substrate degradation in wood, plastic, and composite materials.

Industrial Applications

This additive serves as a critical component in various sectors requiring long-term weatherability. Key application areas include wood paint systems, especially water-based acrylic dispersion systems for flooring and furniture. It is highly effective in decorative coatings, providing long-lasting gloss retention for interior and exterior furniture finishes. In the automotive sector, it is used in car waxes, polishing oils, and vinyl protectants to prevent oxidation and fading.

For industrial purposes, UV-5050 is suitable for one-component and two-component PUR coating systems. It performs reliably in industrial baking paints such as alkyd resin, PES/melamine, and PES/NCO systems. Additionally, it is effective in unsaturated polyester and styrene systems for marine and industrial composite gel coats, ensuring structural integrity under sunlight exposure.

Formulation Guidelines

To achieve optimal dispersion in waterborne coatings, the addition of co-solvents such as butyldiethylene glycol or Texanol is recommended when using UV-curable acrylic and unsaturated resin systems. This step facilitates easier integration of the UV-5050 liquid into the aqueous phase, ensuring homogeneous distribution and maximum efficacy. Formulators should conduct compatibility tests when introducing new solvents to verify stability.

Storage and Safety

To maintain optimal performance, UV Absorber UV-5050 should be stored in a cool, dry, and well-ventilated facility. Containers must remain tightly closed to prevent contamination or moisture uptake. The product should be kept away from direct light, fire sources, and strong oxidizing or reducing agents. Standard packaging includes 20kg blue plastic buckets, ensuring safe transport and handling according to international chemical logistics standards.

Quality Commitment

Our manufacturing facility adheres to strict quality control protocols to ensure every batch meets rigorous industry standards. Every shipment is accompanied by a Certificate of Analysis (COA) to verify purity, viscosity, and density specifications. As a global manufacturer, we offer competitive bulk pricing and reliable supply chain solutions for international clients seeking a reliable drop-in replacement for standard market equivalents. Contact our technical team for detailed formulation support and sample requests.