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LOCTITE ABLESTIK 566K is a white, heat curable epoxy film, designed for bonding disimilar materials with mismatched coefficients of thermal expansion. It is electrically insulating, extremely flexible and cures in a low temperature
LOCTITE ABLESTIK 566K is a low temperature cure version of LOCTITE ABLESTIK 561K adhesive. It is mainly used for heat sink assembly and has a glass fabric carrier.
The storage temperature of both materials is as low as -40 °C to guarantee its material properties over a longer range of time.The 561K is a great reference material that can be stored at -40 °C for 12 months but can also be stored at ambient (25 °C) for up to 6 months without loss of performance.The difference with 561K however, in the higher minimum cure schedule of 125 °C for 2 hours.The 566K material can cure at 100 °C but this is achieved by an increased catalyst load making the material more reactive, giving it shorter shelf life. (We would expect -20 °C storage to be sufficient for the 566K for 3-6 months)
Essentially you end up with two options: