Mfsorb® 203 is a benzophenone UV absorber, high performance anti-aging additives. Light color, good compatibility, low migration, easy processing.

Functions: Other Additive Function, UV Absorber

Chemical Family: Benzophenones

Compatible Polymers & Resins: Epoxies (EP), Polyesters, Polyvinyl Chloride (PVC)

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    Identification & Functionality

    Chemical Family
    Plastics & Elastomers Functions
    CAS No.
    131-54-4
    Technologies

    Features & Benefits

    Applications & Uses

    Application

    For polyester, PVC, epoxy resin, paint and varnish, etc.

    Recommended dosage

    0.1-0.5%

    Properties

    Physical Form
    Appearance
    Light yellow crystalline powder
    Typical Properties
    ValueUnitsTest Method / Conditions
    Purity (Hplc)min. 98.0%
    Transmittance 0-400Nmmax. 1%
    Transmittance 0 - 400Nmmax. 1%
    Transmittance 450-550Nmmin. 90%
    Transmittance 450 - 550Nmmin. 90%
    Transmittance 500Nmmin. 95%
    SolubilityClear solution,free from insoluble
    Melting Pointmin. 134.0 °C
    Loss On Dryingmax. 0.5%
    K Valuemin. 49
    Gardner Colormax. 4.0

    Technical Details & Test Data

    Concentration

    0.1-0.5%