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    WESTCO? AO-168 Tris (2,4-di-tert-butylphenyl) phosphite CAS# 31570-04-4

    WESTCO??AO-168 is a versatile secondary antioxidant, giving excellent protection to melt flow & color during thermal processing. ??It can be used in a variety of polymers, including elastomers, polyolefins, polycarbonates, polyesters and styrenics.? It is normally used with hindered phenols, like WESTCO??AO-1010 or WESTCO??AO-1076 for synergistic performance.? It may also be used with UV absorbers or hindered light stabilizers for optimal performance.? WESTCO??AO-168 has excellent resistance to extraction during submersion in water.? It acts to decompose and scavenge hydroperoxide free radicals during polymer processing.

    Packaging : 25kg cardboard box with plastic bag liner.

    SPECIFICATIONS:

    Appearance: White powder
    *Assay (HPLC)

    99% Min.

    *Melting Point

    181 – 187 °C

    *Volatiles

    0.3% Max.

    *Light Transmitability

    425 nm 98% Min. 500 nm 98% Min.

    *2, 4 Tert butyl phenol

    0.2% Max.

    SG @ 72 °F (22.2 C°)

    0.98

    *Actual tech data / technical data values reported on Certificate of Analysis.

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    For WESTCO? AO-168 - Tris (2,4-di-tert-butylphenyl) phosphite

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        Technical Data & SDS Sheets

        Technical Product Sheets and SDS sheets are available for each of the chemicals listed. To access please click on the links above.
        • Western Reserve Chemical
        • 4837 Darrow Road
        • Stow, OH 44224

          Please contact us to request this Data Sheet

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