UV Absorber UV-329, other trade name: UV-5411
Product description:
UV-329 is an excellent high-efficiency, aging-preventing agent, which can effectively absorb 270-380 nm UV light. Non-flammable, non-explosive, non-toxic, harmless to health. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products.
Application:
Suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin, etc. It effects better in a transparent products and engineering plastics under high temperature processing. This product can also be used for polyolefin.
Technical data:
| CAS NO. | 3147-75-9 |
| Chemical Name | 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole |
| Formula | C20H25N3O |
Structure |  |
| Molecular Weight | 323.4 |
| Appearance | White powder |
| Purity % (HPLC) | ≥99.0 |
| Melting Point ºC | 103-105.3 |
| Ash % | ≤0.1 |
| Loss On Drying % | ≤0.5 |
| Transmittance % | 440nm ≥97, 500nm ≥98 |
Recommended dosage:
| PS | PE | Polyester | PVC | ABS |
| 0.2-0.5% | 0.2-0.4% | 0.3-0.5% | 0.2-0.5% | 0.3-0.5% |
Package and Transportation:
UV-329 is available in 20kg /carton box in container .
Storage :
Store the product indoors in clean and dry conditions, not allow in outdoors. The shellfire of our product is 2 years if stored properly.
Safety protection:
Relevant local health and safety guidelines should be followed, gloves and closed goggles should be worn, for more information needed, pls contact with us
COMPANY PROFILE
Shanghai Linkland Chemicals Co.,Ltd is a national high-tech enterprises, focus on research , production, sales and services.The headquarter is located in International Trade Finance Center-Shanghai, China. LINKLAND is the main manufacturer of titanium dioxide , UV absorber and sericite powder in China. After 15 years development, we have developed into one-stop purchasing platform with titanium dioxide,UV absorber and sericite powder as the core and other chemical raw material as the supplementary. proving full product choice for clients.The products are widely used in paints coatings, plastics, inks, ceramics, paper, food, etc.
