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What is a styrofoam cooler? How to properly store food with styrofoam

February 3, 2024 by admin Category: Top

You are viewing the article What is a styrofoam cooler? How to properly store food with styrofoam  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

If you want to keep food fresh or cold drinks easily while traveling, the cooler becomes a savior when it comes to all those roles. Let’s learn about this type of styrofoam cooler, and how to properly preserve food through the following article of Tnhelearning.edu.vn!

Table of Contents

  • What is a styrofoam cooler?
  • How to produce styrofoam containers to keep cold
  • Advantages and disadvantages of styrofoam containers
  • How to preserve food with styrofoam for a long time?
  • How long does the styrofoam keep cold?
  • Notes when using styrofoam containers to preserve food

What is a styrofoam cooler?

Cold storage foam is a product to keep heat or insulation , with the ability to insulate the temperature outside the environment, so it is resistant to heat or cold for the objects contained inside it. Currently, styrofoam containers are widely used in the market and in daily life.

What is a styrofoam cooler? How to properly store food with styrofoamRefrigeration foam box is a device to keep heat or insulate

How to produce styrofoam containers to keep cold

The main material that makes up the styrofoam container is EPS (Expand Polystyrene) foam material , which is formed when cooked and expanded under high temperature to form EPS foam particles.

Chất liệu chính tạo nên thùng xốp giữ lạnh là vật liệu xốp EPSThe main material that makes up the cooler box is EPS foam material

Then, the EPS foam particles will be put into a hydraulic mold to compress into homogeneous foam blocks , depending on the user’s requirements, the gravity of the EPS foam blocks will be adjusted.

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Finally, the foam blocks will be cut into different sizes and thicknesses by specialized equipment according to the needs and purposes of customers. Because the EPS foam particles are cooked into each other, together with hydraulic compression, they will not peel off like manual production.

Advantages and disadvantages of styrofoam containers

Advantage

Sản phẩm có độ cứng tương đối, có khả năng chống thấmThe product has a relative hardness and is waterproof

  • The product has a relative hardness, is waterproof, retains heat and insulates for a long time, thereby limiting moisture and reducing mold formation.
  • Light weight, flexible and easy to move.
  • Easy to process, designed according to user purposes.
  • Manufactured with materials that are safe for human health.
  • Affordable price.

Defect

Do được cấu tạo từ chất liệu EPS nên sản phẩm dễ cháyBecause it is made of EPS material, the product is flammable

  • Because it is made of EPS material, the barrel is very flammable , you should store it in a cool place, avoid near fire.
  • Light weight and relative hardness should break easily , so when moving or using you should be gentle with them.
  • Long-term use will be easily worn and the ability to retain heat and insulation is also reduced.
  • The product is difficult to decompose in the natural environment.

How to preserve food with styrofoam for a long time?

First, you always close the styrofoam box carefully when not using the food contained in the box . The tight closure prevents heat loss, helping to stabilize and maintain the temperature inside the barrel.

Bạn luôn đóng kỹ thùng xốp để tránh tản nhiệtAlways close the foam box carefully to avoid heat dissipation

Next, you can line or stick foil inside the foam box . When storing ice in a bucket, foil helps prevent heat loss and doubles heat retention. Note when using foil, you should put the matte paper on top instead of the glossy side , because the glossy side of the foil absorbs heat well and easily melts ice quickly.

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Bạn có thể lót hoặc dán giấy bạc bên trong thùng xốpYou can line or stick foil inside the foam box

You can also use washed white wet towels to wrap the ice , these white towels will absorb all the melted ice, and at the same time create a certain humidity in the barrel, keeping the cold temperature in the barrel extremely good.

In addition, you can bury the ice bucket in the ground , because the ground has excellent moisture and sun protection, so burying ⅔ of the ice bucket in the ground helps to avoid sandy soil and direct sunlight.

Bạn có thể chôn thùng đá xuống dưới đất để giữ nhiệtYou can bury the ice bucket in the ground to keep the heat

Finally, you can sprinkle some sugar or salt on the ice . The reason when adding sugar to water will make the water molecules move longer, when frozen into ice, the melting time is longer. Adding salt makes the freezing temperature drop below 0 degrees Celsius, thereby keeping the cold longer.

How long does the styrofoam keep cold?

Thùng xốp sẽ bảo quản nhiệt độ được lâu trong 12 giờ khi được đóng kínStyrofoam containers will keep the temperature for a long time for 12 hours when closed

Refrigeration of styrofoam containers depends on the condition that the product contains sufficient cold or dry ice as well as the food in the appropriate volume, the product has been closed and sealed to prevent air pollution. the inside evaporates out.

Normally, the styrofoam box will keep the temperature for a long time for 12 hours from the time it is closed , the box is intact, there is no milling or breaking.

Notes when using styrofoam containers to preserve food

Bạn nên chọn những thùng xốp giữ nhiệt có nguồn gốc xuất xứ rõ ràngYou should choose thermos foam boxes of clear origin

  • You should choose thermoplastic containers of clear origin, ensuring food safety regulations.
  • When using, you only use it to store frozen items, fruits, etc.
  • Absolutely do not contain hot, greasy foods, hot drinks.
  • Should only be used a few times and temporarily , should not be used for a long time.
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Above is information about styrofoam containers and ways to use foam boxes to keep heat for a long time, hope through the above article you will know more useful information in preserving food with foam boxes.

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