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Mfsorb® 328 is a benzotriazole UV absorber, strong UV absorption,low initial color, good compatibility with most substrates, low volatility.

Functions: UV Absorber

Chemical Family: Benzotriazoles

Compatible Polymers & Resins: Acrylonitrile Butadiene Styrene (ABS), Acrylonitrile Styrene Acrylate (ASA), Poly(Methyl Methacrylate) (PMMA), Polyamides, Polycarbonates (PC), Polyethylenes (PE), Polypropylenes (PP), Polyurethanes (PU), Polyvinyl Chloride (PVC), Thermoplastic Elastomers (TPE), Unsaturated Polyester (UPE)

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family
    Plastics & Elastomers Functions
    CAS No.
    25973-55-1
    Technologies

    Features & Benefits

    Applications & Uses

    Application

    For PP、PE、SBS、SIS、TPE、ABS、PVC、PC、PA、AS、PU、PMMA、UP、PVB, etc. 

    Recommended dosage

    0.1 - 3.0%

    Properties

    Physical Form
    Appearance
    White to slightly yellow powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Purity (Hplc)min.99.0%
    Transmittance 460Nmmin. 97%
    Transmittance 500Nmmin. 98%
    Melting Point80.0 - 88.0°C
    Volatilesmax. 0.50%
    Ash Contentmax. 0.10%
    Clarity Of SolutionClear

    Technical Details & Test Data

    Concentration

    0.1 - 3.0%