Advantage:
- UV absorber UV-320 is a high-efficient light stabilizer, which has strong ultraviolet absorbing ability and low volatility characteristics.
- UV-320 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.
Applications:
Used in PVC, unsaturated polyester and other polymers.
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-320
- CAS No.: 3846-71-7
- Chemical Name:2,4-Dihydroxybenzophenone
- Molecular Formula: C20H25N3O
- Molecular Weight:323.4
- Other Name:Tinuvin320,Synsorb 320,Linsorb UV 320
- Appearance: Yellowish crystalline powder
UV absorber UV-320 |
Melting Point | 152-156℃ |
Purity | ≥99% |
Ash | ≤0.1% |
Loss On Drying | ≤0.3% |
Transmittance | 460 nm≥97% 500 nm≥98% |
Recommended dosage | PVC | unsaturated polyester | Polyester |
0.25-0.5% | 0.2-0.4% | 0.3-0.5% |
