TDK's Guide to Electrically Conductive Adhesives (7): What type of epoxy should I use?
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A. Because epoxy technology is so mature, many companies can engineer a variety of compounds for an even greater variety of specifications. Conductive epoxies can be modified and manufactured to meet many different performance characteristics and specifications including cohesive strength, hardness, durability, flexibility, temperature resistance, viscosity, thermal conductivity, electrical conductivity, moisture resistance, chemical resistance, resistance to mechanical shock and vibration, as well as the ability to withstand ultra-high or cryogenic temperatures.

As with all engineering, there are trade-offs for every type of epoxy. For example, epoxies with higher conductivity have a weaker bond strength because of the greater filler to resin ratio. Thorough research of the advantages and disadvantages of each type of epoxy should be conducted in order to ensure the epoxy will meet the required specifications.

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