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What is a Kraft Paper Bag? Top Choice for Food Packaging

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You must have seen that people come out with similar brown bags in their hands, when they buy coffee from a coffee shop or bread from a bakery.

Yes, they are kraft paper bags. Nowadays, kraft paper bags are the most popular way of packaging food. With the growing demand for eco-friendly packaging, kraft paper bags are more important in packaging.

But what is a kraft paper bag and what are benefits of choosing them for business? In this article, you will find all the answers. 

Food Packaging

What is a Kraft Paper Bag?

A kraft paper bag is made from kraft paper, which is a strong, coarse paper material made of wood pulp in the kraft process. This makes kraft paper bags durable and tear-resistant. The word “kraft” comes from the German word for “strength,” which reflects the strong material properties of the paper.

Kraft paper bags are known for their durability, strength, and environmental benefits. They are widely used in various industries, including retail, groceries, and food service.

The color of kraft paper bags is typically natural brown. Because the wood pulp is converted into paper without extensive bleaching in the kraft process. In order to satisfy business needs, kraft paper can also be bleached to white or other lighter colors.

What is the Difference Between Kraft Paper and Normal Paper?

Difference Between Kraft Paper and Normal Paper 1

The biggest difference between kraft paper and normal paper is that kraft paper is stronger.

The distinction is because of the differences in the production process and raw materials of the two papers.

Kraft paper is made using the kraft process. This process turns wood into wood pulp with long, strong fibers. That’s why kraft paper is darker, more tear-resistant and much stronger than regular paper.

Regular paper might be made using shorter fibers, which give it a smoother surface. This makes it better for writing or printing on, but not as good for packaging.

Kraft paper is usually brown or natural color, as it retains some wood’s original lignin and other components. But normal paper is often bleached to a bright white color during processing.

4 Types of Kraft Paper

Kraft Paper Bag for food

Kraft paper has various types, mainly because of their different characteristics and uses. Learn about them to meet your different packaging and product needs. Here are the 4 main types of kraft paper:

Virgin Natural Kraft Paper

Virgin natural kraft paper is the most common type of kraft paper.

It is made from pure wood pulp and offers excellent strength and durability. Because of this, natural kraft paper is suitable for industrial packaging and grocery bags.

Virgin natural kraft paper is also highly tear-resistant, so it can be used for protective wrapping.

Bleached Kraft Paper

Bleached kraft paper removes the brown color, resulting in a clean, white appearance. This makes it ideal for applications where aesthetics are important, such as retail packaging and high-end shopping bags.

The bleaching process does not lower the paper strength, allowing it to maintain similar durability to natural kraft paper.

Recycled Kraft Paper

Recycled kraft paper is made from recycled materials. So compared to natural kraft paper, it is a more eco-friendly option .

As it generally has lower strength and tear resistance, recycled kraft paper is adequate for lightweight products.

Its environmental benefits make it a popular choice for businesses focusing on sustainability.

Coated Kraft Paper

Coated kraft paper has a coating that provides a better barrier against elements such as moisture, grease or dust.

This paper is commonly used in the food packaging that requires protection from external factors. Coatings can also enhance the ability to print on paper surfaces for graphic applications.

Choosing Kraft Paper Bags for Food Packaging

Advantage and Disadvantage of Kraft Paper Bags 1

With the demand of eco-friendly packaging, using kraft paper bags for food packaging is becoming more and more popular. But is it safe and reliable to use kraft paper bags to package food?

Compared with other packaging materials, kraft paper bags have absolute advantages in food packaging. Here are some benefits:

Advantages of Kraft Paper Bags

  • Environmental Sustainability: Kraft paper bags are made from wood pulp, which is a renewable resource. They’re recyclable, biodegradable and better for the environment. That’s why so many businesses and consumers choose them when they want to reduce their environmental impact.
  • Durability and Strength: Kraft paper is known for its high tensile strength. The sulfate process used to make it keeps the long fibers of the wood intact. That means kraft paper bags are stronger and more tear-resistant than a lot of other types of paper bags. This ensures that kraft paper bags can handle all sorts of food products, from flour and grains to canned goods, without tearing.
  • Safety and Breathability: Kraft paper is food safe, meaning it doesn’t contain any harmful chemicals that could contaminate food. This is important for preserving the quality and safety of food. Kraft paper bags are also naturally breathable, which keep food fresh by allowing air to circulate. This is especially beneficial for products like bread and produce.
  • Customizability: Kraft paper bags are highly customizable. You can easily print your logo or design on them to increase your brand visibility. The texture of kraft paper also gives it a unique look and feel that customers like.
  • Versatility: Kraft paper bags can be designed with features to enhance functionality, such as windows to show off the product inside, grease-resistant linings for oily foods, and resealable closures to keep things fresh.

Disadvantages of Kraft Paper Bags

Although the kraft paper bags have many advantages, but it also has a few places need to pay attention to.

  • Weather Sensitivity: Paper products, including kraft paper bags, can be damaged by moisture and water. When paper gets wet, they will lose their strength and shape . This can be a problem if you’re in those environments.
  • Storage Requirements: Unlike plastic, kraft paper bags need to be stored in a dry place to keep them in good shape. This can require additional storage solutions, which might not be ideal for all businesses.

Conclusion

As a major player in environmental packaging, Kraft paper bags have their unique strength. Choosing kraft paper bags as great packaging solutions for businesses is also a smart decision.

If you are looking for reliable kraft paper bag supplier, look at Lipack Packaging. We offer a wide range of customizable kraft paper bag packaging solutions.

With a professional team, three manufacturing factories and certified environmental materials, we can provide you with high-quality customized kraft paper bags.

Cooperate with Lipack to enhance your business. Contact us today to get a quote!

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