| Chemical Name | UV absorber UV-783/Light stabilizer 783 |
| English Name | Ultraviolet Absorbent UV-783 |
| CAS | 71878-19-8/65447-77-0 |
| Appearance | Off-White crystalline powder |
| Melting point | 50-70 °C(lit.) |
| Density | 1.18g/mL @20℃ |
| Purity | 99.00% |
| Molecular Formula | C28H5204N2;H[C15H25O4N]nOCH3 |
| Light transmittance | 450nm ≥90.00% 500nm ≥93.00% |
| Packing | (20 kg × 1) PE bag |
| Use | Light stabilizer UV783 is an enhanced hindered amine light stabilizer, with good compatibility, low volatility, good thermal stability, high light stability characteristics, suitable for polyethylene, polypropylene, polyurethane, polyamide, polyformaldehyde, elastomer, ABS resin, especially suitable for LDPE, LLDPE, LDPE/EVA film. Light stabilizer UV-783 is an enhanced combination of blocked polymer amine light stabilizer, suitable for most polymers, suitable for PE products (injection molding, film materials and tapes), PP(injection molding, film materials and fibers), polyamide fibers, flexible and rigid PVC,TPO, styrene, TPE, polyurethane and special adhesives, etc. Light stabilizer UV-783 is a multifunctional light stabilizer suitable for both thick and thin products with good cost effectiveness. Features: - Good light stabilization in polyolefin products (thick and thin products) - Favorable thermal oxidation stability of polyolefin - Low volatile, anti-migration - Can be used for food contact materials |
| Dosage | 0.05-1.50% |