Advantage:
- UV absorber UV-329 is a benzotriazole type ultraviolet absorber, capable of absorbing ultraviolet rays ranging from 270 to 380 nm, with an absorption peak at 343 nm. It has the characteristics of good compatibility, low volatility, good dispersion, low migration, good thermal stability, and high absorption efficiency.
- It is suitable for polyethylene, polypropylene, polyvinyl chloride, polystyrene, polycarbonate, ethylene vinyl acetate, polymethyl methacrylate, ABS resin, epoxy resin, acrylic resin, unsaturated resin, and cellulose resin, especially for colorless and light-colored products. The general dosage is 0.1-0.5%.
Applications:
- Used in 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.
Package:
25KG cartons or drums
Storage and Transportation:
Keep container tightly closed and dry and storage in cool place.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
Technical Specifications
- Product Name:UV absorber UV-329
- CAS No.: 3147-75-9
- Chemical Name:2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
- Molecular Formula: C20H25N3O
- Molecular Weight: 323.4
- Other Name:UV 5411,Tinuvin 5411
- Appearance: White powder
Melting Point | 103-105.3℃ |
Purity | ≥99% |
Ash | ≤0.1% |
Loss On Drying | ≤0.3% |
Density | 1.10g/cm3 |
Transmittance | 440 nm≥97% 500 nm≥98% |
Recommended dosage | PS | ABS | PE | PVC | Polyester |
0.2-0.5% | 0.3-0.5% | 0.2-0.4% | 0.2-0.5% | 0.3-0.5% |
