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Sunvin 28

1 of 11 products in this brand
Sunvin 28 is a benzotriazole type UV absorber. Characterized by its high solubility and superior properties makes UV-328 particularly suitable for light stabilizing in coatings, propylene, polyurethane and polyvinyl chloride. UV-328 is also effective to the light stabilization of unsaturated polyester, polyacrylate and polycarbonate.

Chemical Family: Benzotriazoles

Functions: UV Absorber

Compatible Polymers & Resins: Acrylics, Polycarbonates (PC), Polyethylenes (PE), Polypropylenes (PP), Polyvinyl Chloride (PVC)

Features: Chemical Resistant, Excellent Compatibility, Heat Stabilized, Low Toxicity, Low Volatility

Synonyms: 2-(2-Hydroxy-3,5-di-tert-amylphenyl)-2H-benzotriazole, 2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole, 2-(2-Hydroxy-3,5-di-tert-pentylphenyl)benzotriazole, 2-(2′-Hydroxy-3′,5′-di-tert-amylphenyl)benzotriazole, 2-(2H-Benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)phenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazole, 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)-2H-benzotriazole, 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)benzotriazole, 2-(3′,5′-Di-tert-amyl-2′-hydroxyphenyl)benzotriazole, 2-(Benzotriazol-2-yl)-4,6-bis-(1,1-dimethyl-propyl)phenol, 2-(Benzotriazol-2-yl)-4,6-bis-(2-methylbutan-2-yl)phenol, 2-[2-Hydroxy-3,5-bis(1,1-dimethylpropyl)phenyl]-2H-benzotriazole, Light Stabilizer 328

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family

    Benzotriazoles

    Chemical Name

    2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol

    Plastics & Elastomers Functions

    UV Absorber

    CAS No.
    25973-55-1
    EC No.
    247-384-8
    Technologies

    Elastomers,

    Plastics

    Product Families

    Elastomers — Elastomer Additives

    Antioxidants & Stabilizers

    Plastics — Polymer Additives

    Antioxidants & Stabilizers

    Chemical Name

    2-(2'-Hydroxy -3' ,5'-ditert-butylphenyl)- benzotriazole

    Features & Benefits

    Labeling Claims

    Low Toxicity

    Materials Features

    Chemical Resistant,

    Excellent Compatibility,

    Heat Stabilized,

    Low Toxicity,

    Low Volatility

    Features
    • Readily soluble in a wide range of organic solvents.
    • Excellent compatibility with variety of the polymers.
    • Low volatility during high processing temperature.
    • Good extraction resistance.
    • Low vapor pressure, very little or no loss during processing.

    Applications & Uses

    Markets

    Automotive & Transportation,

    Consumer Goods,

    Electrical & Electronics,

    Industrial

    Applications

    Automotive & Transportation — Coatings & Finishes

    Other Coatings & Finishes

    Consumer Goods — Other Consumer Goods Applications

    Electrical & Electronics — Other Electrical & Electronics Applications

    Industrial — Other Industrial Applications

    Compatible Polymers & Resins

    Acrylics,

    Polycarbonates (PC),

    Polyethylenes (PE),

    Polypropylenes (PP),

    Polyvinyl Chloride (PVC)

    Applications
    • Coatings: 1.0-3.0wt% based on solids.
    • Polyvinyl chloride: 0.2-0.5wt% for rigid PVC based on solids.
    • Polyurethane: 0.3-1.0wt% for PS based on solids.
    • Polyacrylate: 0.15-0.3wt% for PS based on solids.
    • Polycarbonate: 0.15-0.3wt% for PS based on solids.
    • Unsaturated Polyester: 0.2-0.4wt% for PS based on solids.

    Properties

    Physical Form

    Powder,

    Solid

    Appearance
    Off-white to light tan powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight351.5--
    Assaymin . 99%-
    Ash Contentmax. 0.3%-
    Melting Point79 -87°C-
    Transmittancemin . 97%-

    Safety & Health

    Toxicity & Safety

    UV-328 can be safely handled without irritation caused to the skin.

    Packaging & Availability

    Packaging Type

    Drums

    Packaging

    In 25 kg carton drum with inner plastic bag.

    Storage & Handling

    Storage

    In a closed system and dry, dark place without any light exposure.