The 403A Super ColdTM 134 is a pure, non-flammable Cold Spray that is used primarily for diagnosing thermally intermittent problems with electronic devices The cold spray contains pure 1 1 1 2-tetrafluoroethane (HFC 134a) It is also useful for protecting heat sensitive components during soldering quickly cooling solder joints and it can also be used to quickly remove gum and other adhesives from a variety of surfaces Also used in other applications where spot freezing is required Application Instructions For best results follow the procedure below 1) Firmly hold the head of the trigger nozzle 2) On top of nozzle pull the security tab to snap it off 3) If needed insert extension tube 4) Pull the trigger in short bursts 5) For delicate and precise applications spray liquid onto a Cotton Swab (811-100) and dab