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    Recommended Minimum Bond Line Thickness

    by:
    EPOXY: Ask FOC Ask FOC
    Published: February 13, 2019

    ASKFOC_web2-

    QUESTION:

    What is the recommended minimum bond line thickness?

     

    ANSWER:

    A general guideline for minimum bond line thickness is between 25 to 150 microns (1 to 6 mils) – as a starting point. I recommend you choose a certain level to start, then make a few thicker and thinner versions of the bond. Take time to inspect completed bonds carefully to learn how a bond can fail, evaluate the performance for your application, and adjust bond line thickness as necessary to achieve a quality bond.

    For every application, bond line thickness depends on:

    • The geometry of the bond area

    • The substrates being bonded

    • The material itself (the epoxy’s chemistry can dictate a specific minimum bond line thickness)

    • The temperature cycling the bond will need to survive

    • Proper surface preparation (improper cleaning can negate adhesion)

    • The cure time and method of cure

      • Bond line thickness and curing time go hand-in-hand to achieve sufficient adhesion and performance. Carefully review the epoxy manufacturer’s datasheet, including any charts showing bond line thickness versus cure time for the various curing methods.

    READ THE FULL BLOG ARTICLE HERE: Bond Line Thickness & More: Answers to Common Epoxy Questions

     

    ADDITIONAL CONTENT & RESOURCES:

     

      Answered by AskFOC Technical Team: February 13, 2019

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    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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