BASF Tinuvin 622 LD is a high-performance oligomeric hindered amine light stabilizer that provides dual UV and antioxidant protection. Its unique high molecular weight structure ensures exceptional migration resistance and long-term stability, making it ideal for demanding polyolefin and elastomer applications requiring extended outdoor durability.
Dual-Action Protection - Combines UV stabilization with antioxidant functionality
Permanent Stabilization - High molecular weight (3100-4000 g/mol) prevents migration
Processing Stability - Maintains performance above 250°C processing temperatures
Optical Clarity - Over 95% light transmittance in transparent applications
Regulatory Compliance - Meets strict food contact and heavy metal standards
Automotive Exteriors - Durable bumper systems and trim components
Agricultural Films - Long-lasting greenhouse and mulch films
Food Packaging - FDA-compliant containers and closures
Industrial Fibers - UV-resistant nonwoven fabrics
Consumer Products - Outdoor furniture and storage containers
Chemical Name | Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid) |
CAS Number | 65447-77-0 |
Molecular Weight | 3100-4000 g/mol |
Appearance | White to pale yellow powder (low dust) |
Melting Point | 50-70°C |
Flash Point | >250°C |
Density (20°C) | 1.18 g/cm³ |
Vapor Pressure (20°C) | 2.5E-6 Pa |
Solubility (20°C) | Acetone:4 g/100g / Water:<0.01 g/100g |
Recommended Dosage | Films:0.1-1.2% / Thick parts:0.15-0.5% |
Packaging | 20 kg/bag (moisture-proof foil) |
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