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Mfsorb® 329 is a hydroxyphenyl benzotriazole UV absorber, strong UV absorption. Highly effective light stabilizer for a variety of plastics and organic substrates, keeping the original appearance and physical properties of molded products, films,fibers and sheets under outdoor conditions.

Functions: Light Stabilizer, Stabilizer, UV Absorber

Chemical Family: Benzotriazoles

Compatible Polymers & Resins: Polyamides, Polyurethanes (PU), Polyvinyl Chloride (PVC), Unsaturated Polyester (UPE)

End Uses: Roofing Membranes

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family
    Plastics & Elastomers Functions
    CAS No.
    3147-75-9
    Technologies

    Features & Benefits

    Materials Features

    Applications & Uses

    Plastics & Elastomers End Uses
    Application

    For unsaturated polyester,rigid PVC,plasticized PVC, polyurethane and polyamide. 

    Recommended dosage

    0.1 - 3.0%

    Properties

    Physical Form
    Appearance
    White powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Purity(Gc)min.99.0%
    Transmittance 425Nmmin. 97%
    Transmittance 500Nmmin. 98%
    Melting Point101.0 - 106.0°C
    Volatilesmax. 0.50%
    Ash Contentmax. 0.10%

    Technical Details & Test Data

    Concentration

    0.1 - 3.0%