Hindered Light Stabilizer CAS 70198-29-7 UV Stabilizer 622

• 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.: 622
• Kind: Stabilizer
• Appearance: Powder
• Grade: Indstrial Grade
• Storage: Store in a Dry, Cool Well Ventilated Area
• Adsorbent Variety: Hindered Amine Light Stabilizer
• Supply Ability: 5000 Kilograms Per Month
• Transport Package: 25kgs/Drum
• Specification: 99%
• Trademark: N/M
• Origin: China
• Production Capacity: 8000 Tons Per Year

Product Description

Hindered Light Stabilizer 622 CAS 70198-29-7 UV 622 UV Stabilizer 622

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

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