How to use an ice cooler bag to keep items fresh and insulated
An insulated cooler bag, also known as a cooler bag or thermal bag, is designed to keep the temperature of its contents stable for an extended period. It uses insulation materials and construction techniques to minimize heat transfer between the interior and exterior of the bag. The primary goal is to slow down the exchange of heat with the surrounding environment, whether it's to keep the contents cool or warm.
Here are some tips on how to use an ice cooler bag to keep items fresh and insulated:
Choose the Right Insulation Bag: Select an insulation bag with good heat and cold retention properties. Insulation bags made with pearl cotton and aluminum foil are often effective at keeping temperatures stable.
Use High-Quality Ice Packs: A single 400g ice pack can keep items cold for about 3 to 12 hours in an aluminum foil insulation bag at an ambient temperature of 30 degrees Celsius. Using multiple ice packs can extend this time; for example, three 400g ice packs can maintain cold temperatures for 3 to 24 hours.
Pre-cool the Insulation Bag: Before using the insulation bag, store it in a cool environment or pre-cool it with ice to avoid contact with heat sources, which would waste the ice.
Minimize Heat Exchange: When using the ice pack, place it in a well-insulated foam box to reduce heat exchange with the outside environment.
Use Ice Packs Correctly: Before using the ice pack, expel any air from within it to ensure the bag is in close contact with the items that need to be insulated, maximizing the insulation effect.
Fill the Insulation Box: Large areas of air within the insulation box can accelerate the melting of ice. Use ice bricks, ice packs, or ice cubes to fill any gaps for better cold retention.
Avoid Frequent Opening: Opening the insulation box frequently can speed up the melting of ice. Each time the box is opened, the cold air inside escapes, affecting the insulation effect.
Use Low-Temperature Ice: Ice can be much colder than the freezing point. Using colder ice can improve the cold retention effect.
Don't Drain Melted Water: During use, the melted water from the ice and snow in the box also has a good cold retention effect. However, food and fresh meat should not be directly soaked in water.
By following these methods, you can effectively use an ice pack to keep items fresh and insulated.
Established in 2004, Xiamen Obaili Manufacturing Ltd. has been specialized in making bags for 20 years. We are a professional bags manufacturer and exporter, focusing on the design, development and production of cooler bags, drawstring bags, travel duffel bags, backpacks, briefcases, travel bags bags and other outdoor leisure bags for travel, sports and camping.