High Purity Light Stabilizer UA328 Ultraviolet Absorbent 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

DescriptionUV Absorber 328 stands out as a robust ultraviolet radiation absorber within the 290-400nm wavelength range. This high-performance additive is designed to ensure optimal protection and longevity for your materials.
Renowned for its exceptional chemical stability, light color, minimal volatility, and excellent compatibility with polyolefins and various other resins, it promises outstanding durability and performance.
Moreover, it boasts impressive storage stability, maintaining efficacy over time for consistent results.
ApplicationUA328 is principally applied in polyolefins, styrene homopolymers and copolymers, ABS, acrylic polymers, unsaturated polyester, thermoplastic polyurethane, polyacetal, PVB (polyvinyl butanal), epoxy, and two-component polyurethane systems.
Its versatility extends to combining with antioxidants and HALS, enhancing the outdoor durability and performance of products for prolonged use.
This makes it an invaluable addition to a wide range of industrial applications.
Together, these combinations optimize the outdoor performance and lifespan of your products, ensuring they withstand environmental challenges.
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

 

Package/StoragePackage: Available in 25kg cartons lined with a plastic bag, or customized according to customer requirements.
Storage: Ensure containers are tightly sealed and stored in a dry, well-ventilated area to maintain product integrity.
Utilizing appropriate protective gear is crucial. Avoid excessive exposure and ensure thorough washing after handling the product.
Comprehensive safety information is detailed in the Safety Data Sheet, which should be reviewed before use.
All safety information is provided in the Safety Data Sheet.