Why Dry Ice is Important for Food Shipping

Dry ice is a solid form of carbon dioxide and is used as a cooling agent. Dry ice packs in Perth are used to keep medical supplies, food, and items at a stabilized temperature during transport. It keeps goods frozen when mechanical cooling is not available. If you can’t handle it correctly, dry ice can be hazardous as the extreme cold can burn your skin, and gas can be explosive if not vented properly. Dry ice has many benefits only if you use it under the right circumstances. 


Due to the cold temperatures of -78.5 degrees Celsius, dry ice is used primarily for products that have to be kept frozen or cold, like frozen food. May be dry ice is too much for products that do not have to stay frozen completely, so combinations of ice packs and dry ice can even be combined.


Benefits of Dry Ice

  • It doesn't alter the taste of food

  • Does not leave behind any residue

  • You can combine with other cooling agents such as gel ice packs

  • Easy to obtain from dry ice suppliers

  • Generally inexpensive and more cost-effective in bigger quantities

How to Ship with Dry Ice

When handling dry ice, precautions have to be taken to remain safe. Goggles have to be worn to protect the eyes, bibs to protect the body, and clothing and special gloves have to be worn to minimize and burning. Anyone who has to come into contact with dry ice in the supply chain must receive training.


Packing with dry ice requires specific care because it can become dangerous. The dry ice has to be ventilated efficiently because as the carbon dioxide sublimates, it increases in pressure which could lead to an explosion and asphyxiation.


Shipping with dry ice requires many particular layers to make sure it is shipped correctly. Food shipments should be packaged between dry ice blocks, inside of an insulated container. The insulation should be made from a type of polystyrene foam because it is rigid and holds its shape, and can physically protect the contents during shipping. The insulated box with the dry ice inside should then be placed in an outer corrugated cardboard box. All of these layers should not be airtight because they can be dangerous. On the exterior of the shipment packaging with dry ice inside, there should be a note or a sticker stating ‘Dry Ice’ or ‘Carbon Dioxide, Solid’ with a note of the dry ice's weight.

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