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    WESTCO? SP-120-3 CAS#

    Westco? SP-120-3 is a pale yellow to amber liquid-antioxidant for use in most elastomers, particularly SBR. Westco? SP-120-3 has FDA approval for use in rubber articles intended for repeated or continuous food contacts. It is recommended for a variety of applications in plastics, elastomers, thermoplastic elastomers and urethane foams. 1-3 PHR is recommended.

    SPECIFICATIONS:

    *Free Phen %ol, max.

    0.50

    *Free Styre %ne, max.

    0.50

    *Mono-styrenated phenol, % max.

    3.0

    *Di-styrenated phenol, %

    18.0-29.0

    *Tri-styrenated phenol. %

    63.0-73.0

    *Viscosity-RVT cps

    Report Results

    *Gardner color, max.

    5

    *Acid Value, max.

    2.00

    *Acid Value, max.

    0.50

    *Actual data reported on Certificate of Analysis
    STORAGE AND SHELF LIFE: Westco? SP-120-3 is stable over a long period of time when stored in unopened containers and protected from extreme temperature and humidity. Suggested shelf life is 2 years. Packaging: 440 lb. net wt. in steel drums, bulk T/W

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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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