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Mfsorb® 531 is a benzophenone UV absorber, good light stability, excellent compatibility, low mobility, and good synergis a tic effect.

Functions: UV Absorber

Chemical Family: Benzophenones

Compatible Polymers & Resins: Ethylene Vinyl Acetate (EVA), Linear Low Density Polyethylene (LLDPE) , Low-Density Polyethylene (LDPE), Polyvinyl Chloride (PVC)

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family
    Plastics & Elastomers Functions
    CAS No.
    1843-05-06
    Technologies

    Features & Benefits

    Applications & Uses

    Application
    • Used in polyolefins and other polymers such as plasticized PVC,rubber.
    • Combined with HALS for LDPE and LLDPE of agricultural film and EVA copolymer. 
    Recommended dosage

    0.1-0.7%

    Properties

    Physical Form
    Appearance
    Pale greenish yellow powder or flake
    Typical Properties
    ValueUnitsTest Method / Conditions
    Purity(Gc)min.99.0%
    Transmittance 450Nmmin. 90.0%
    Transmittance 500Nmmin. 95.0%
    Melting Point47.0 - 49.0 °C
    Loss On Dryingmax. 0.5%
    Burnt Residuemax. 0.10%
    Heavy Metalsmax. 5 ppm

    Technical Details & Test Data

    Concentration

    0.1-0.7%