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




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 AngstromBond 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



  Answered by AskFOC Technical Team May 17, 2018



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