TIANJIN NORTH JINHENG CHEMICAL PLANT
We are professional supplier of antioxidant 1010,1076,3114,1098,1024,697,168,626,245,UV 531 ,326,327,328,329 ,Light stabilizer 944,622,770,292 .
Business Type:Trader
Country/Region:China
Ddu Verified
HOT Rank
ULTRAVIOLET RADIATON ABSORBENT UV-328
Chemical Name: 2-（2'-Hydroxy-3',5'-di-tert-pentylphenyl）benzotriazoies
Molecular formula | C22H29N3O |
|
Molecular Weight | 351.5 | |
CAS# | 25973-55-1 |
Introduction: This product is an ultraviolet light belonging to the benzotriazole class UVAs. It may absorb UV between 270 nm to 380 nm, max345nm.
Physical Properties:
Appearance: | Slightly yellow powder | Assay: | ≥99% |
Melting Range: | ≥80℃ | Ash: | ≤0.1% |
Light Transmittance: | 460nm≥97% 500nm≥98% | Volatiles: | ≤0. 3% |
Solubility: (At 20℃g/100ml solvent)
Water | 0 | Methyl Ethyl Ketone | 24 |
Xylene | 44 | Ethyl Acetate | 20 |
Minersal Spirits | 14 | n-Butyl acetate | 28 |
Applications: UV-328 is a highly effective light stabilizer for a variety of plastics and other organic substrates.It’s used as recommended for the stabilization of styrene home and copolymers, acrylic polymers, unsaturated polyesters, polyvinyl chloride, polylefins, polyruethanes ,polyacetals, etc. UV-328 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-328 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
Package: The package is the paperboard drum lined with plastic bag.
