Kraft paper is a versatile and durable material used in the packaging industry. From food packaging to artistic applications, this paper is one of the best options. The paper is known for its high quality and distinctive rustic appearance, making it the most preferred wrap when aesthetic and eco-friendly packaging is required.
With our kraft paper wholesale services, we make it easy for brands to get the best promotional tool as we print the paper with the promotional elements of the brands. Not only this, but you can get the paper in custom sizes with the coatings of your choice by placing your order at our company.
The durability of kraft is mainly due to a process known as “the Kraft Process.” In this process, a stronger pulp is produced using wood pulp. This material is one of the most sustainable alternatives to other plastic-based wrapping papers and is available in two forms, namely bleached and unbleached kraft.
Custom kraft paper is manufactured using hard and soft wood fibers. These fibers are then transformed into wood pulp that undergoes chemical and mechanical processes. We use softwood fibers as they contain long cellulose fibers that impart strength to the material and give durability to the final product. These long fibers allow kraft to resist tearing, which makes it an excellent option for heavy-duty applications.
In addition to softwood fiber, we use hardwood fiber in kraft paper, which improves its surface properties. Hardwood fibers are shorter in length and make the paper surface smooth, which ultimately facilitates printing. To reduce the cost of the packaging, we sometimes use recycled paper. This allows for the reduction of pollution and also has the inherent properties of the quality surface area of the recycled paper. The manufacturing process of this paper is as follows; each step is crucial to meet the quality:
In this process, wood pulp is immersed in the chemical solution of sodium hydroxide and sodium sulfide. They are the best digesters and penetrate the wood chips, break down the lignin, and release cellulose fibers. We maintain precise temperature and pressure for several hours to ensure that the wood is sufficiently “cooked” without any damage to cellulose.
After the pulping process, we obtain the slurry that contains cellulose fibers and various other impurities, such as residual lignin and hemicelluloses in addition to inorganic waste. In the next step, we remove the impurities with the help of counter-current systems. Fresh water is used to remove the chemical remnants and dissolved lignin. After washing, the pulp undergoes screening to remove the oversized particles and contaminants. The homogenous pulp obtained by this process is then transferred to the next step.
If you do not want brown kraft paper, then you can select the pleaching. In this process, custom kraft paper is bleached to give it a white color. Hydrogen peroxide (H₂O₂) or chlorine dioxide (ClO₂) are used as environmentally friendly bleaching agents to remove the color.
Once the pulp is clean and, if necessary, bleached, it is diluted with water and distributed onto a moving mesh screen or forming fabric. This is the stage of sheet formation where individual fibers begin to intertwine and form a continuous mat. As the water drains through the screen, the fibers come into closer contact, initiating the formation of the paper sheet. The partially formed sheet is then passed through a series of pressing rollers. These rollers remove excess water and further consolidate the fiber network, contributing to the strength of the paper.
After the pulp is cleared and bleached, it undergoes the sheet formation process. The pulp is diluted with water and is spread onto a moving mesh or forming fabric. In this stage, kraft paper sheets are produced. When the water drains, the fibers come into contact with each other and bond strongly. The drying process not only solidifies the structure of the paper but also sets the thickness and density of the paper. After this process, another step takes place, which is known as calendaring. In this process, the paper is passed between smooth rolls that further smoothen the paper surface and give a uniform thickness to the paper.
In certain cases, customers are looking for coated paper that can have properties like that of parchment or wax paper. In such cases, we apply different coatings on the surface of the kraft. If you select silicone coating, then you get custom parchment paper, and if you are looking for a coating that can withstand moisture then we give polyethylene coating as that applied in custom freezer paper.
For kraft paper printing, we use high-end printing processes that remarkably enhance the look of the paper. The texture and natural appearance of the paper make it an ideal option for a large number of printing options. We use the following printing methods:
For custom-printed kraft paper, we use soy and water-based inks. The inks derived from soybean oil provide rich and vibrant colors and are non-toxic in nature. On the other hand, in water-based inks, water is used as a solvent that gives relatively less dense colors but is an excellent option to reduce the elimination of volatile organic compounds. With the application of these inks, kraft can be used as a safe alternative to butcher, deli, or cheese paper.
There is a wide range of applications of kraft wrapping paper. Due to its strength and versatile nature, this paper is used both as a packaging paper and as a wrap to pack food products. Apart from this, its sustainable nature makes it one of the most readily adopted papers in the packaging industry. Some of the common applications are as follows:
If you are looking for premium quality kraft paper rolls or sheets, then contact Wax Papers Co. We have been working in the paper manufacturing field and are dedicated to providing you with quality material with catchy designs and useful dimensions. So do not delay and get the best for your brand.
| Paper Type | White & Brown Paper |
| Coating | Uncoated |
| Feature | Greaseproof, Wax, Parchment, Deli |
| Pulp Style | Recycled |
| Safety | non-hazardous |
| Product Name | Paper Bags |
| Compatible Printing | Offset Printing |
| Material | Plant Based Material |
| Color print | Custom Printing. 1 , 2 , 4 Color |
| Usage | Packaging of some consumer goods. |
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