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    AI Overview
    Light Stabilizer 622 (CAS 65447-77-0) is a high-molecular-weight, polymeric Hindered Amine Light Stabilizer (HALS) appearing as a white to light yellow coarse powder or granule. It offers exceptional low volatility, migration resistance, and thermal stability, making it ideal for PE, PP, EVA, and coatings. 
    Key Characteristics and Applications 
    • Appearance: White to yellowish coarse powder or granules.
    • Performance: Highly effective in pigmented systems, including carbon black, providing long-term stabilization against UV degradation.
    • Best Use: Often combined with antioxidants and UV absorbers for maximum synergistic effects in automotive parts, agricultural films, and outdoor plastics.
    • FDA Status: Approved for specific food packaging applications.
    • Compatibility: Excellent in polyolefins (PE, PP), EVA, polystyrene, polyamides, and polyurethane.
    • Key Properties: Low alkalinity, low volatility, and high compatibility with resin matrices. 
    Specifications 
    • Melting Range: 50°C - 70°C.
    • Molecular Weight: High (oligomeric).
    • Typical Dosage: Generally 0.3-0.6% in agricultural films. 
    It is widely utilized as an equivalent to Tinuvin 622 for coatings, adhesives, and sealants. 
    • UV light stabilizer 622 - sinosunman
      UV light stabilizer 622. Light stabilizer 622 is a polymeric high molecular weight hindered amine light stabilizer, with low volat...
      sinosunman
    • Light Stabilizer 622 - Camsi-X
      Appearance : White coarse powder or yellowish granular. Melting range : 50-70°Cmin. Ash. : 0.05% max. Transmittance : 425nm: 97%mi...
      Camsi-X
    • Light Stabilizer UV-622 | 70198-29-7 - ChemicalBook
      Dec 31, 2025 — White coarse powder or light yellow particles. Transmittance. 425nm ≥95% 500nm ≥97%. volatiles. ≤0.5%. Gray. ≤0.1%. Softening poin...
      ChemicalBook
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    Web results

    UV-Light-Stabilizer-622.pdf


    Hunan Chemical BV
    https://hunan-chem.com › uploads › 2016/07
    Hunan Chemical BV
    https://hunan-chem.com › uploads › 2016/07
    PDF
    UV-622 is the light stabilizer of choice for all applications calling for low volatility and minimal migration, because of its oligomeric structure with high ...Read more
    3 pages

    riasorb ® uv-622


    Rianlon
    http://www.rianlon.com › hindered-amine-light-stabilizers
    Rianlon
    http://www.rianlon.com › hindered-amine-light-stabilizers
    RIASORB® UV-622. A polymerized hinderer amine light stabilizer. CAS No. 65447 ... White or light yellow granular powder. Package. 25kg Carton. Solubility ...Read more
    Missing: coarse ‎| Show results with: coarse

    Tinuvin 622 SF


    BASF
    https://dispersions-resins-products.basf.us › files
    BASF
    https://dispersions-resins-products.basf.us › files
    PDF
    Tinuvin® 622 SF is a solid oligomeric low-basic HALS developed for coatings, adhesives and sealants. It is designed to meet high perform- ance and durability ...Read more
    3 pages
    Missing: coarse ‎| Show results with: coarse

    HALS 622 - Light Stabilizers - Wellt Chemicals


    welltchemicals.com
    https://welltchemicals.com › light-stabilizers › hals-622
    welltchemicals.com
    https://welltchemicals.com › light-stabilizers › hals-622
    HALS 622 is the newest addition to Wellt's product line, offering advanced UV stabilization. Its white-to-buff coarse powder appearance allows for versatile ...Read more

    UV light stabilizer 622


    sinosunman
    https://www.sinosunman.com › uv-light-stabilizer-622_...
    sinosunman
    https://www.sinosunman.com › uv-light-stabilizer-622_...
    Light stabilizer 622 is a polymeric high molecular weight hindered amine light stabilizer, with low volatility, migration resistance, low alkalinity and high ...Read more

    Light Stabilizer 622


    Camsi-X
    http://camsi-x.com › uploads › 2020/12 › LS-622...
    Camsi-X
    http://camsi-x.com › uploads › 2020/12 › LS-622...
    PDF
    Appearance : White coarse powder or yellowish granular. Melting range : 50-70°Cmin. Ash. : 0.05% max. Transmittance : 425nm: 97%min. 450nm: 98%min (10g/100ml ...Read more
    1 page

    PowerStab™ 622 HALS UV Stabilizer


    uvabsorber.com
    https://www.uvabsorber.com › uploads › file › po...
    uvabsorber.com
    https://www.uvabsorber.com › uploads › file › po...
    PDF
    PowerStab™ 622 is widely used in polyolefins, polyurethanes, and elastomers, and is approved for food contact applications in many regions. Chemical Name.Read more
    3 pages

    light stabilizer uv-622 for long-lasting garden furniture and ...


    ohans
    https://www.ohans.com › light-stabilizer-uv-622-for-lo...
    ohans
    https://www.ohans.com › light-stabilizer-uv-622-for-lo...
    Jun 26, 2025 — light stabilizer uv-622 for long-lasting garden furniture and construction materials ... cas number, 5124-30-1. molecular formula, c₂₈h₅₂n₂o₄.Read more

    Light Stabilizer 622 - Leal Chemical


    lealchem.com
    https://www.lealchem.com › portfolio › items › light-sta...
    lealchem.com
    https://www.lealchem.com › portfolio › items › light-sta...
    It is usually used in combination with antioxidants, UV absorbers to optimize performance in outdoor use. Appearance： White or white like solid. Softening ...Read more
    Missing: coarse ‎| Show results with: coarse

    Light Stabilizer UV-622 | 70198-29-7


    ChemicalBook
    https://www.chemicalbook.com › ... › CAS DataBase List
    ChemicalBook
    https://www.chemicalbook.com › ... › CAS DataBase List
    Dec 31, 2025 — White coarse powder or light yellow particles. Transmittance. 425nm ≥95% 500nm ≥97%. volatiles. ≤0.5%. Gray. ≤0.1%. Softening point. 50℃ - 70 ...Read more
    $1,334.03
    People also ask
    What is the chemical name for UV 622?
    The subject product, UV Stabilizer 622 (CAS No. 65447-77-0) is also known by chemical name: Butanedioic acid,Poly-(N-ß-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate). It is an ultraviolet light stabilizer.

    Customs Ruling NY N301804 - The tariff classification of UV Stabilizer ...


    CustomsMobile
    https://www.customsmobile.com › rulings › docview › hi...
    CustomsMobile
    https://www.customsmobile.com › rulings › docview › hi...
    What is UV stabilizer used for?
    The UV Absorbers / Stabilizers listed are used to absorb UV light. This protects paints, plastics, coatings, adhesives, etc. and thus stabilizes them to UV light or natural sunlight. UV radiation is one of the major causes of degradation of textile materials, and therefore benzotriazoles can be found in some textiles.

    UV ABSORBERS / STABILIZERS | AFIRM Group


    AFIRM Group
    https://afirm-group.com › wp-content › uploads › 2021/07
    AFIRM Group
    https://afirm-group.com › wp-content › uploads › 2021/07
    What is the difference between UV absorber and light stabilizer?
    UV absorbers are commonly used in clear coatings, films and polymers because they are designed to be transparent and not affect the appearance of the material. Light stabilizers, on the other hand, are more versatile and can be used in a wider range of applications, including plastics, rubber, paints, and textiles.

    News - What is the difference between UV absorbers and light stabilizers?


    Plastic Additives, Plastic Optical Brightener, Plastic Uv Absorber ...
    https://www.njreborn.com › news › what-is-the-differenc...
    Plastic Additives, Plastic Optical Brightener, Plastic Uv Absorber ...
    https://www.njreborn.com › news › what-is-the-differenc...
    What is the formula for Tinuvin 622?
    4-[2-(4-hydroxy-2,2,6,6-tetramethylpiperidin-1-yl)ethoxy]-4-oxobutanoic acid.

    Tinuvin 622 | Chemical Substance Information | J-GLOBAL


    J-Global - JST
    https://jglobal.jst.go.jp › detail
    J-Global - JST
    https://jglobal.jst.go.jp › detail
    People also search for
    Tinuvin 622
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