1. Keep the wire in the original packing and leave the wire to warm up to at least the ambient temperature before opening the package ( This is the recommendation from ESAB handbook ). This was not followed at NASCO.
2. The storage temperature shall not fall below the dew point. Check the Esab handbook.
3. Do not issue any spool to the welder without inspecting the surface condition of the wire. Do not rely on welders, welder will start striking the arc as soon as the spool of wire is issued.
4. It would be better to store the flux cored wire in an ambient environment by maintaining the 85% humidity level. i.e. by increasing the AC temperature inside the container.
5. Involve Esab expertise to inspect and get their recommendation.