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    Choice of Epoxies Critically Important

    by:
    EPOXY: Ask FOC Ask FOC
    Published: May 17, 2018

    ASKFOC_web2-

    QUESTION:

    Are the choice of epoxies critically important and if so, why?

     

    ANSWER:

    The choice of epoxies is critically important. Most Telco/Data and OSP connectors are assembled with two-part epoxies that provide high tensile strength, excellent bonding and hermetic sealing of the bare fiber. The industry standard has been a two-part epoxy that requires thorough mixing of parts A and B (Resin and Hardener). It is important to note that a two-part type of epoxy, such as ÅngströmBond AB9123 and EPOTEK 353ND, and others similar to its chemistry undergoes a distinct chemistry phase change during curing and heating to temperature. The first phase change is right before curing at the correct temperature (usually 100 C) the viscosity of the epoxy turns from molasses to water and tends to run and wick up the fiber, the cable and through all the internal diameters of the connectors. Within seconds of this first phase change is the 2nd and last phase change of the epoxy where it hardens to its final cured state. So the correct calculation of volume for each type of connector and assembly is critical for maximum performance and reliability.

    READ THE FULL BLOG ARTICLE HERE: Assuring the correct amount of Epoxy is in the connector

     

    ADDITIONAL CONTENT & RESOURCES:

     

      Answered by AskFOC Technical Team: May 17, 2018

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    About the Author
    FOC FAQ Fiber Optic Center has a team of technical experts and marketing strategists with decades of years in the field. This team contributes to the fiber, cable and specialty industries coverage through news, alerts, reports and general media information.
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    About Fiber Optic Center, Inc.
    Fiber Optic Center, Inc., (FOC), is an international leader in distributing fiber optic components, equipment and supplies and has been helping customers make the best cable assemblies in the world for over two decades. Several areas of specialization and expertise, in which they are the industry leader, make them the preferred choice for many of the world’s fiber professionals. In these key technology areas, FOC is "at least as technical as the manufacturer" about the products they sell. Striving to "make the business part easy," they offer outstanding and personal customer service, low or no minimum purchase order values, and from-stock delivery on industry-leading products and technology. FOC is the industry connection to the most innovative optical products, technologies and technical experts who integrate their manufacturing knowledge and vast experience into customers' worldwide operations. @FiberOpticCntr

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