Wholesale Price High Purity UA328 Light Stabilizer CAS 25973-55-1 Plastic Additives

• Customization: Available
• CAS No.: 25973-55-1
• Color: Yellow
• Model NO.: Siwin-UA328
• Ash %: 0.1max
• Volatiles %: 0.5max
• Molecular weight: 351.5g/mol
• Transport Package: 25kg Carton Inner with Plastic Bag or as Customer`
• Specification: N/A
• Trademark: Siwin
• Origin: China
• HS Code: 29339982
• Production Capacity: 100000

Product Description

Product DescriptionIntroducing UV Absorber 328, an exceptional ultraviolet radiation absorber effective within the 290-400nm spectrum. It offers
outstanding chemical stability, a subtle hue, minimal volatility, and excellent compatibility with polyolefins and other
resins, making it an ideal choice for a variety of applications. It also boasts superior storage stability.
Application AreasThis versatile product is predominantly utilized in polyolefins, styrene homopolymers and copolymers, ABS, acrylic
polymers, unsaturated polyester, thermoplastic polyurethane, polyacetal, PVB (polyvinyl butyral),
epoxy, and two-component polyurethane systems. For optimized outdoor performance, it can be combined with
antioxidants and HALS (Hindered Amine Light Stabilizers).
Typical Properties

Chemical Name	2-(2-Hydroxy-3,5-di-tert-pentylphenyl)-2H-benzotriazole
Molecular weight	351.5g/mol
Melting point	79-88ºC
Volatiles %	0.5max
Ash %	0.1max

 

Packaging and StoragePackaging: Available in 25kg cartons lined with a plastic bag or custom packaging as per customer specifications.
Storage: Ensure the container is tightly sealed and stored in a dry, well-ventilated area.
It is advisable to use appropriate protective gear when handling this product. Avoid excessive exposure and ensure to
wash thoroughly after handling. All safety guidelines are detailed in the Safety Data Sheet.
Refer to the Safety Data Sheet for comprehensive safety information.