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Frozen Food Packaging
Frozen food, usually Individual quick frozen food ( IQF ) can be wrapped with cast ( CPP ) or ( BOPP) polypropylene if it is packed inside a box.
Polypropylene does not have good cold crack resistance. Application for polypropylene in frozen food is baked goods on horizontal form / fill / seal.
Polypropylene can be microwaved.
IQF vegetables, meats and fish subjected to a hostile frozen environment must be packaged in polyethylene. Not just general purpose LDPE, but with some EVA or very low density metallocene for cold crack resistance.
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