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UV stabilizer UV-531
  • Other name of UV stabilizer

    UV absorber,UV additive

    Chemical Name: 2-Hydroxy-4-Octyloxy Benzophenone (Benzophenone-12)

    CAS NO: 1843-05-6

    Property of UV 531

    UV stabilizer additives freely soluble in benzene, n-hexane, acetone, slightly soluble in ethanol, very slightly

    soluble in ethane dichloride.

    Characteristic

    UV stabilizer 531 is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm

    wavelength with the characteristics of light color, nontoxic , good compatibility,small mobility, easy processing etc.

    uv stabilizers in plastics can protect the polymer to its maximum extent, helps to reduce the color.uv stabilizers in

    plastics can also delay the yellowing and obstacle the loss of its physical function.

    Technial index of UV stabilizer UV 531

    item

    UNIT

    index

    Appearance


    yellowish crystalline powder

    Content

    %

    99.0min

    Melting Point

    °C

    47-49

    Loss on drying(55±2°C)

    %

    0.5max

    Content of Ash

    %

    0.1max

    Light Transmittance(450nm)

    %

    90min

    Light Transmittance(500nm)

    %

    95min

    Applicaitons

    UV stabilizer additives is widely applied one plastics such as PE,PVC,PP,PS,PC. organic glass,

    polypropylene fiber, ethylene-vinyl acetate etc. Moreover, it has very good light stability effect on

    drying phenol aldehyde, varnish of alcohol and acname, polyurethane,acrylate, expoxnamee etc.

    Package:

    25kg/drum, packed in cardboard drums lined with plastic bags


    • 1.UV stabilizer is one important UV additive on coloer products

      2.UV stabilizer additives mainly used on plastics.rubber,

      3.UV 531 suggust dosage is 0.1%-0.5%.

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