Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Tinuvin 622 LD Hindered Amine Light Stabilizer

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.

Features Of BASF Tinuvin 622 LD Hindered Amine Light Stabilizer

  1. Dual-Action Protection - Combines UV stabilization with antioxidant functionality

  2. Permanent Stabilization - High molecular weight (3100-4000 g/mol) prevents migration

  3. Processing Stability - Maintains performance above 250°C processing temperatures

  4. Optical Clarity - Over 95% light transmittance in transparent applications

  5. Regulatory Compliance - Meets strict food contact and heavy metal standards

Typical Applications Of BASF Tinuvin 622 LD Hindered Amine Light Stabilizer

  1. Automotive Exteriors - Durable bumper systems and trim components

  2. Agricultural Films - Long-lasting greenhouse and mulch films

  3. Food Packaging - FDA-compliant containers and closures

  4. Industrial Fibers - UV-resistant nonwoven fabrics

  5. Consumer Products - Outdoor furniture and storage containers

Specifications Of BASF Tinuvin 622 LD Hindered Amine Light Stabilizer

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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