With Crc Minus 45, you quickly locate thermal faults, intermittent connections, and hairline cracks on electronic circuits. This powerful freeze spray rapidly chills components down to -45°C, exposing defective parts instantly through targeted thermal shock. Thanks to its inert, non-flammable formulation, you can work safely around electrical systems and delicate printed circuit boards. It evaporates completely without leaving any residue and causes no chemical damage to sensitive components. In addition, this 250 ml aerosol can is ideal for shrink-fitting metal parts during mechanical assembly as well as testing thermostats and temperature sensors with total confidence.