Good Price UV Stabilizer 622 (Hindered Amine Light Stabilizer)

• CAS No.: 65447-77-0
• Formula: H[C15h25o4n]Noch3
• EINECS: 923-754-0
• Certification: ISO
• Environmental Protection: Yes
• Color: White or Light Yellow
• Model NO.: UV622
• Kind: Stabilizer
• Appearance: Powder
• Sample: Available
• Shelf Life: 2 Years
• Storage: Store in a Cool and Dry Place
• MOQ: 25kgs
• Lead Time: 15-20 Days
• Transport Package: 25kgs/Drum
• Specification: 99%
• Trademark: N/M
• Origin: China
• Production Capacity: 8000 Tons Per Year

Product Description

High quality Light Stabilizer 622 UV622 CAS 65447-77-0

CAS NO.: 65447-77-0

Chemical Name:Poly (4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Formula:H[C₁₅H₂₅O₄N]_nOCH₃
Structure:

Molecular Weight:>2500
Appearance:White coarse powder or light-yellow granules
Melting Range:50-70ºC
Volatile Matter:≤0.5%
Relative Density:1.18g/cm³
Weight Loss Point:350ºC(5.0%)
Light Transmittance:425nm: ≥93%; 450nm: ≥95%
Ash Content:≤0.1%
Solubility:Soluble in acetone, toluene, xylene, ethyl acetate, ethanol, chloroform ;Slightly soluble in methanol;Insoluble in water

Features and Application Area: 622 is a high molecular HALS with low volatility, migration resistance, high temperature resistance etc, has synergetic effect with antioxidants and UV absorbers.
HALS 622 is highly effective in PP, PE, EVA, PS, PA, PU, PVC, etc.

The light stabilizer 622 is a polymer light stabilizer with multiple functional groups. It can be used for low-density polyethylene film, polypropylene tape, EVA film, ABS, PP fiber PE, polyformaldehyde, polyamide, polyurethane, PVC, PVC blend material Chemicalbook, polystyrene, rubber and viscose. It can use ultraviolet absorbent because of its special structure and large molecular weight (3000). It can also be used in film and fiber. It can also be used as antioxidant and heat stabilizer of polymer, and the dosage of agricultural film is 0.2%.
 

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