Immersion Freezing
Freezing by placing seafood products in direct contact with a refrigerant, which can be applied as a bath or spray, in batch– or continuous–type freezing operations before packaging for subsequent frozen storage.
Individually Quick Frozen
The same as frozen, but indicates the individual forms have been frozen separately, usually by cryogenic means. This prevents the forms from sticking together and facilitates use.
IPW
Individually poly–wrapped.
IQF
Individually quick frozen.