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Sunvin 23

1 of 11 products in this brand
Sunvin 23 is a high molecular weight UV absorber of the hydroxypheny benzotriazole class, showing outstanding light stability to a variety of polymers during its use. Sunvin 23 features low volatility, exceptional light absorbing characteristic and good compatibility in various substrates. Sunvin 23 is suitable for high surface area products, like film etc.

Functions: UV Absorber

Chemical Family: Benzotriazoles

Compatible Polymers & Resins: Acrylics, Polycarbonates (PC), Polystyrenes (PS), Polyurethanes (PU), Polyvinyl Chloride (PVC)

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

Synonyms: Tinuvin 234, UV-234

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family

    Benzotriazoles

    Chemical Name

    2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol

    Plastics & Elastomers Functions

    UV Absorber

    CAS No.
    70321-86-7
    EC No.
    274-570-6
    Technologies

    Elastomers,

    Plastics

    Product Families

    Elastomers — Elastomer Additives

    Antioxidants & Stabilizers

    Plastics — Polymer Additives

    Antioxidants & Stabilizers

    Chemical Name

    2-(2'-Hydroxy-3’,5'-di-(a,a-dimethyl benyl) phenyl) benzotriazole

    Features & Benefits

    Labeling Claims

    Low Toxicity

    Materials Features

    Chemical Resistant,

    Excellent Compatibility,

    Heat Stabilized,

    High Molecular Weight,

    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

    Consumer Goods,

    Electrical & Electronics,

    Industrial

    Applications

    Consumer Goods — Other Consumer Goods Applications

    Electrical & Electronics — Other Electrical & Electronics Applications

    Industrial — Other Industrial Applications

    Compatible Polymers & Resins

    Acrylics,

    Polycarbonates (PC),

    Polystyrenes (PS),

    Polyurethanes (PU),

    Polyvinyl Chloride (PVC)

    Applications
    • Polyvinyl chloride: 0.2-0.5wt% for rigid PVC based on solids.
    • Polyurethane: 0.3-1.0wt% for PU based on solids.
    • Polyacrylate:  0.15-0.3wt% for PS based on solids.
    • Polycarbonate: 0. 15-0.3wt% for PP based on solids.
    • Polyester: 0.2-0.4wt% for PET based on solids.

    Properties

    Physical Form

    Powder,

    Solid

    Appearance
    Slightly yellowish crystal powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight447.6——
    Assaymin . 99%—
    Ash Contentmax. 0.3%—
    Melting Point137-141°C—
    Transmittancemin . 97%—

    Safety & Health

    Toxicity & Safety

    Sunvin 23 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.