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ASKFOC_web2-QUESTION:  I need a really strong bond.  What is the absolute strongest adhesive you have?  




Modern adhesives are pretty amazing, and people do seem to want to rely on them more and more.  But it is important to know that epoxies are NOT primary fasteners.  Primary fasteners are hardware devices that mechanically join two substrates together – like a bolt, clamp, clip, any threaded fastener like a screw, threaded insert, etc.  They are immune to temperature swings and moisture – the ban of much chemistry, and the Achilles heel of epoxy.  If you are relying on a critical joint not to fail, epoxy is probably not the way to go.

Also, it is a misconception to think that strong joints require ‘strong’ adhesives. Good adhesion is all about the surfaces involved.  Adhesive failures usually happen at one of the surfaces – not within the adhesive itself.  This is where cleanliness of the surfaces prior to bonding is critical.  Also, the amount of surface area devoted to the bond, a decreasing piece of real-estate in ever-more miniaturized packages  – needs to be adequate.  The best adhesive and cleaning won’t work if the bond area is too small.


SM6AskFOCIcon  Answered by AskFOC Technical Team February 22, 2017


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Kathleen Skelton

About Kathleen Skelton

Kathleen Skelton, Director of Strategic Marketing's experience includes management positions at Lightwave, KMI Research, PennWell Publishing, Beacon Communications, and Security Innovations, Inc. As a strategic marketing director, she utilizes her expertise in business development, online strategy, marketing planning, digital best practices, standard operating procedures development, and database design, management and training. Kathleen has global business and marketing experience. Outside of FOC, Kathleen is passionate about her volunteer work for several organizations and works with youth groups teaching business strategy for various community projects. In her volunteer work, Kathleen is committed to developing tomorrow's leaders through exciting, strategy-focused business education. This mission guides all of her work outside of the corporate office. Kathleen graduated from Curry College with a BA in Communications and Education and minors in English and Psychology. Kathleen resides outside of Boston, MA with her husband and four children. Follow @KATHLEENSKELTON