Despite its popular applications worldwide, the majority of people fail to acknowledge the utmost attention to detail required in frozen food packaging. Besides simply keeping the food frozen, one has to consider choosing the appropriate materials that can withstand freezing temperatures based on your budget, packaging, and material needs. There are different types of packaging options for frozen food applications hence this page will help you in choosing the best packaging materials suited for packaging your frozen food.
First, you need to understand the important elements one needs to consider in frozen food packaging. Food packaging material should be strong and easy to fill, seal and store. The materials used should not brittle or crack at low temperatures and should offer protection from spoilage and off-coloring. Additionally, food packaging materials ought to be made of FDA food-grade substrates and resistant to moisture, grease, and oil. Popular options for frozen food packaging include paperboard, metal cans, cardboard, wax coated paper, and the most popular being Polyethylene shrink film, which can resist temperatures as low as -40 degrees. Other vital aspects to consider when packaging frozen foods include safety, nutritional labeling, and consistency. That said, let us explore each type of frozen food packaging and understand where they are most suitable to be used.
Shrink films are among the most popular forms of frozen food packaging used by the largest food packaging companies in the world. It is a plastic film commonly made from either polyolefin, poly-vinyl-chloride, or polyethylene. In terms of food packaging, the polyolefin is the most suitable choice as it is perfect for candy box or sealing boxed frozen foods such as vegetables, fruits, and baked goods.
Commonly used with shrink film, chipboards are often used for packaging various types of frozen food products such as pies and pizza. Chipboards are durable, sturdy, and easy to shrink wrap. Chipboard boxes are also popular owing to the fact they can be printed hence vibrant branding and imagery can be used to attract customers.
Wax-coated cardboard is popular for frozen foods such as Chinese food, of which the container itself is heated. The wax-coated cardboard containers are popular for their heat resistance, diversity, and strength capabilities. However, their downside is they cannot be recycled.
Glass containers are most popular in Asian countries, whereas in other countries it is mostly used in luxury packaging of food items such as ice cream and gelato. Glass containers have less popular application because they are weighty thus very costly to ship and has an extremely high carbon footprint. However, glass containers are widely used for storing products that are saved for future use such as ketchup.
Aluminum foil is another popular food packaging material mostly used for food items such as lasagna and manicotti. Like wax-coated cardboard, aluminum foil can be heated directly to warm the food but is also recyclable.
Flexible bags, lidding film, High Barrier Thermoforming Film, IQF Polyethylene, and Skin Film are all popular food packaging options that are used to wrap and seal products before they are frozen. These options are very flexible, clear, can withstand very low temperatures without cracking, and are commonly used for packaging various types of frozen seafood, and other products.
Therefore, it is advisable to consider the various advantages and disadvantages of each packaging material to determine the one best suited for your needs.