High Purity UA328 Light Stabilizer CAS 25973-55-1 Plastic Additives Auxiliary Agent

• Customization: Available
• CAS No.: 25973-55-1
• Color: Yellow
• Model NO.: Siwin-UA328
• Appearance: Powder
• 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 DescriptionUV Absorber 328 is a robust and highly effective absorber of ultraviolet radiation within the 290-400nm range. It boasts
exceptional chemical stability, light coloration, minimal volatility, and excellent compatibility with polyolefins and other
resins, along with outstanding storage stability.
ApplicationThis high-performance product is predominantly utilized in polyolefins, styrene monoplymers and copolymers, ABS, acrylic
polymers, unsaturated polyester, thermoplastic polyurethane, polyacetal, PVB (polyvinyl butanal), epoxy, and polyurethane
two-component systems. It can be synergistically combined with antioxidants and HALS to enhance the outdoor performance
of various products.
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 with an inner plastic bag or as per customer requirements.
Storage: Ensure the container is tightly sealed and stored in a dry, well-ventilated area.
The use of appropriate protective equipment is highly recommended. Avoid excessive exposure to the product, and ensure
to wash thoroughly after handling.
For comprehensive safety information, please refer to the Safety Data Sheet.