Buying Electrically Conductive Adhesives

Very often people are confused when they are in need of an electrically conductive adhesive. However, fear not for I am here to save the day! When purchasing a conductive adhesive you must ask yourself a few questions.

·         How much conductivity do I need for this adhesive?

·         Do I need a low cost conductive adhesive?

·         What kind of cure am I looking for? (e.g. heat cure adhesive or room temp adhesive)

·         What kind of filler do I need? (e.g. silver filled, carbon filled or nickel filled)

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Do I need a low cost conductive adhesive?

If you need a low cost conductive epoxy adhesive then you may want to look into a carbon filled adhesive or nickel filled epoxy. There’s also a third option of getting a silver coated glass spheres epoxy adhesive. The third option is great because you get the high quality conductivity of silver yet not the high cost.
Depending on your application for your electrically conductive epoxy you may need higher or lower levels of conductivity. Typically for EMI/RFI shielding applications a carbon filled adhesive or nickel filled adhesive are preferred as you will be using more of it to use silver filled epoxy would become costly. Each application is different. If you’re unsure about which is right for you just contact AtomAdhesives for assistance from their technical staff.
Choosing the filler type for your adhesive comes down to a few main factors: cost, conductivity and regulations. Do the research if the area that you’re going to be using the adhesive doesn’t allow a certain type of adhesive then you must avoid that filler. However, if there are no limitations then it comes down to what you prefer for superior conductivity you should go with gold filled adhesive or silver filled adhesive. Moderate conductivity would be nickel filled adhesive and carbon filled adhesive.
Based on what your application requires you may want to purchase a room temperature cure adhesive which typically takes longer to cure. However, if you need a faster cure then a heat cure adhesive is recommended.

How much conductivity do I need for this adhesive?

What kind of filler do I need?

In conclusion, I hope this blog has been helpful to you in selecting and electrically conductive epoxy adhesive. Please be sure to check back on our blog for updates. If you have a question you would like answered. Please do not hesitate to leave something in the comments and we will answer you to the best of our abilities.

What kind of cure am I looking for?