What is Kraft Paper? Their Manufacturing And Applications

The size of the global paper products market was estimated at CAD 394.15 billion in 2022 and is expected to increase at a compound annual growth rate (CAGR) of 1.5% rising to CAD 600.98 billion by 2031 from CAD 413.04 billion in 2023.

Nowadays, food businesses have shifted massively from the use of synthetic packaging to classic eco-friendly food wraps. In the fast food industry, Kraft material is a leading paper that provides sustainability as well as security to the food. 

Those businesses that use kraft material lead over the competitors because it provides a prominent edge to their users and shows them their moral values to combat climate change. Kraft paper bags easily allow a variety of customization options and are easy to use for printing due to their eco-friendly nature. 

In this blog post, waxpapers.ca provides information on how we extract kraft from wood pulp to the whole manufacturing process. Let’s get started and explore more. 

What is Kraft paper? 

The word “kraft” itself is a German term meaning “strength”. It typically describes the essence of kraft paper that helps to obtain sustainable packaging material. In the late 19th century, this paper was discovered at the hands of German scientist Carl F. Dahl. 

He has done a kraft process that involves treating wood pulp with a special chemical solution, resulting in a robust, tear-resistant paper that becomes the leading paper in the world later. 

This unique process also gives kraft its characteristic brown colour, a natural shade that has become synonymous with earthy elegance and eco-friendly vibes.

Complete Manufacturing Process of Kraft paper

Kraft paper manufacturing is different from the manufacturing of other paper-based food wraps.  Mainly their manufacturing depends on the different steps that include mixing a perfect combination of soft and hard wood fibres from wood pulp. The following steps are included: 

Kraft Pulping Process

This is the first step of the whole process where the magic happens. First of all, we cooked wood in a special chemical solution (sodium hydroxide and sodium sulphide) with the help of giant pressure vessels called digesters. Then after some time, this chemical reacts with the wood. As a result, it will break down the lignin that binds wood fibres together and separate the cellulose fibres that we need for paper. So after this step, we get the cellulose fibres that are the main material used in paper making. 

Screening and Washing

The second step involves the washing of the paper and screening the fibres that we collect after the pulping. The digester does not collect the pure cellulose yet so we need further screening. As we know screening helps to remove any oversized or unwanted material that is not related to making paper. Then, it’s thoroughly washed to remove the chemicals used in pulping for environmental reasons and to prepare the fibres for the next step.

Bleaching (Optional)

The third step involved the bleaching process that helps to bleach the paper for more effective and quality paper. It is not always required for kraft paper because it is known for its natural brown kraft paper roll colour. But, if a lighter shade is desired, the pulp can be bleached using chlorine or chlorine-free methods.

Paper Formation

Let’s start the manufacturing process where we make proper paper formation and get amazing results at the end. First of all, the cellulose fibres get suspended in water and spread out into a thin sheet on a forming machine that helps to create a quality shape for your paper. Imagine a giant sieve that shakes the fibres into a web. The water drains through the sieve, leaving a wet sheet of paper behind.

Pressing

This step involves pressing your thin kraft paper sheets. The wet paper sheet still contains a lot of water. It gets squeezed between large rollers to remove as much water as possible. This helps the paper become stronger and denser.

Drying

The second last step helps to dry the paper in a short time. The pressed paper sheet isn’t quite ready yet. It’s passed through large heated dryers to remove even more moisture and ensure the paper has the desired final moisture content. This will help you to improve the quality of the paper.

Winding and Cutting

In the last step, our paper is manufactured then we need to dry the paper sheet and roll it up onto large reels. Finally, these large rolls are cut into specific sizes depending on the end consumer’s use, whether it’s for grocery bags, packaging materials, or envelopes.

What Kinds of Kraft Paper Are There? 

A lot of types of food wrapping paper materials are coming into the market but kraft material is the best material because they have properties of eco-friendly and sustainability. Major types of kraft paper for food sheets are explained below: 

Virgin Natural Kraft Paper

Virgin kraft is directly extracted from the wood pulp. Virgin is a lightweight material and it is a preferred choice for small heavy items. Customised kraft paper is the strongest type of material that has the properties of tear resistance and moisture resistance. Kraft has a natural brown colour and is naturally made from wood pulp that has not been bleached. Virgin natural kraft is an ideal choice for heavy-duty packaging, shipping, and wrapping.

Natural Recycled Kraft Paper

Natural Kraft is renowned for their recycled material. This paper is effectively extracted from wood that has the properties to reduce carbon footprint in the environment. Recycled paper pulp is a more eco-friendly option that is made from natural wood pulp. It is not quite as robust as virgin natural kraft but it is yet suitable for a variety of uses, including interleaving, liners, and void fill.

Colored Kraft Paper

Color kraft makes a great choice for luxury items. It is also used as a premium packaging for premium products. Colored kraft paper is available in a wide range of applications. Colour paper is a superb choice for gift wrapping, crafts, and other decorative applications that enhance their brand image and improve product presentation. It also provides durability and protection to the packaging as well. 

Black Kraft Paper

Black kraft is a stylish paper and adds a sophisticated touch to your packaging option. This is perfect for high-end packaging because it will allow you to add photo mattes and craft projects. It is also a very light-resistant material, making it a good choice for applications where you need to block out light.

Printed Kraft Paper

Printed kraft opens a lot of possibilities to make your packaging more unique and attractive. You can even add kraft paper with logo, messages, or sensitive information on your packaging for a unique and professional look. It can be used to create custom packaging that is both stylish and functional. 

White Kraft Paper / Bleached Kraft Paper 

White kraft is made from virgin kraft pulp. After bleaching the simple kraft,  we give it a white colour to the paper. It is a good choice for a strong and durable packaging solution then it gives a clean and professional look to your packaging. Bleached kraft packaging is also a good option for food wrapping to protect the delicious taste of your food. 

Read More: Can You Use Wax Paper In The Oven?

Advantages of Using Kraft Paper

Using custom kraft paper is a proper sensible choice for your business because it provides a creative, charming and cost-effective packaging solution. Most of the time, businesses use this material to meet the consumers’ requirements. With the passage of time, it becomes the need of every individual and business. Benefits of selecting this paper: 

Durability

Quality and durability depend on the selection of material that protects during shipping and storage. The kraft process imbues the paper with exceptional strength to increase the security of the product. It can withstand bumps, abrasions, and even significant weight, Choosing this paper is ideal for protecting your products during storage and transportation.

Sustainability 

Personalised kraft paper helps to create environmentally friendly packaging solutions because this material is renowned for its renewable and biodegradable characteristics. The goal of the kraft pulping process is to reduce waste as much as possible while maximising chemical recovery and reuse, which reduces the total environmental effect of paper production. Additionally, kraft is easily recyclable which further improves its sustainability.

Enhance Packaging Presentation

Premium Packaging always stands out in the market. They always enhance the product presentation and promote your brand image. Custom printed hot paper gives an attractive charm and creative visual graphics that attract more customers to the product. Kraft paper comes in various thicknesses, weights, and even colours. This is a budget-friendly packaging solution that helps to save your cost. ‘

Environmental Effect of the Kraft Paper 

Sustainable kraft plays an important role in the environmental aspects. This will lead to reduced environmental impact. This paper is made from natural wood pulp which is biodegradable and helps to reduce the landfilling waste. Kraft can easily be recycled and promote sustainability. It is lightweight, saves storage space and provides a cost-effective solution. 

Kraft paper wholesale is thus described as a green packaging material that compliments the environmental protection cause. It is preferable to use kraft instead of materials that will create a bad impact on the environment such as plastics.

Here are some additional tips for maximising the environmental benefits of kraft paper:

• Look for kraft material products made from recycled content.
• Properly dispose of kraft by recycling it whenever possible.
• If composting kraft, ensure it’s done in a commercial composting facility for optimal biodegradation.

Conclusion 

At waxpapers.ca, the above information guides you about the biodegradability of wax paper wholesale.  Food wrapping kraft paper offers businesses a compelling alternative to traditional packaging materials due to its inherent strength, eco-friendliness, and customization options. 

We are committed to providing our clients with high-quality kraft packaging solutions that not only protect their products but also align with their brand’s values and environmental commitments.

Contact us today to learn more about our kraft packaging solutions and how we can help you create a sustainable and visually appealing packaging experience for your customers.