YIHOO UV 350 - 2-(2'-Hydroxy-3'-sec-butyl-5'-tert-butylphenyl)benzotriazole Suppliers | China Factory Direct
Specifications
| TEST | SPECIFICATION |
|---|---|
| Appearance | Off-white powder |
| Purity (%) | ≥99.00 |
| Loss on Drying (%) | ≤0.50 |
Application
UV350 is a high-efficiency, eco-friendly benzotriazole UV absorber, used as a light stabilizer and anti-aging agent for polymers and coatings. It provides excellent UV absorption, weather resistance and anti-yellowing performance, with good compatibility with most resins, polymers and additives.
It is widely used in polycarbonate (PC), engineering plastic alloys, transparent plastics, industrial coatings, adhesives and outdoor weather-resistant materials. The recommended dosage is 0.3%–0.6%. It can also be blended with hindered amine light stabilizers (HALS), antioxidants and other additives to prepare high-performance multifunctional stabilizer packages.
Packaging
Frequently Asked Questions (FAQ)
What are the primary applications of UV350?
UV350 is widely used as a light stabilizer and anti-aging agent in polycarbonate (PC), engineering plastic alloys, transparent plastics, industrial coatings, adhesives, and outdoor weather-resistant materials.
What is the recommended dosage of UV350?
The recommended usage dosage for UV350 is typically between 0.3% and 0.6% depending on the formulation requirements.
Can UV350 be blended with other stabilizers?
Yes, UV350 can be blended with hindered amine light stabilizers (HALS), antioxidants, and other additives to create high-performance, multifunctional stabilizer packages.
What are the key performance benefits of UV350?
It provides excellent UV absorption, outstanding weather resistance, and superior anti-yellowing performance, while maintaining good compatibility with most resins and polymers.
What is the packaging style for UV350?
UV350 is standardly packaged in either 20kg or 25kg cartons.
What are the purity and drying specifications for UV350?
UV350 features a high purity level of ≥99.00% and maintains a loss on drying ratio of ≤0.50%.

