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What is Duplex Board Paper Manufacturing Process | Spento Papers

5 Guidelines for Duplex Board Paper Manufacturing: Process Behind the Product

Duplex Board Paper

Duplex board paper is a versatile and strong paperboard that is used in a variety of applications. We at Spento Papers made it from two layers of paper laminated with an adhesive. The top layer is usually made from bleached chemical pulp, and the bottom layer is made from unbleached mechanical pulp. This can be either coated or uncoated. Coated paper has a smooth surface that is ideal for printing, while uncoated board paper has a more textured surface that is better suited for packaging applications.

Our board paper is used in various applications, including packaging, printing, and stationery. It is also commonly used as a backing board for mounting photographs or artwork. Depending on the intended application, duplex paper is available in various thicknesses.

Our duplex board paper manufacturing process begins with the pulping of wood chips. The wood chips are mixed with water and chemicals to create a slurry. The slurry is then fed into a refiner machine and broken into individual fibres. The fibres are then sent to a Fourdrinier machine, forming them into a sheet of paper. When the sheet of paper has been formed, it is passed through a series of rollers to remove any excess water. Then we dry it and passed through another series of rollers to give it its final shape and thickness. Finally, the paper is cut into sheets or rolls, depending on the intended application.


The Papermaking Process


The Duplex board paper making process is complex and intricate, involving a great deal of precision and skill. Our first step is to create a slurry, or mixture, of cellulose fibres and water. This slurry is then fed into a Fourdrinier machine, which helps to further break down the cellulose fibres and distribute them evenly throughout the water.

After the cellulose fibres are evenly distributed, they are fed onto a moving belt, forming a sheet of paper Board. As the sheet of paper moves along the belt, it passes through a series of rollers that help to press out any excess water. The sheet of paper then passes through a series of drying cylinders where the remaining water is evaporated.

After the drying process is complete at Spento Papers, then we pass the sheet of the paper through a series of calendering rollers that help give it a smooth finish. Now it is ready to be used in various applications.


Duplex Board Paper

Our board paper is a paperboard made from two layers of paper. It is thicker and stronger than regular paper and is often used in packaging, printing, and stationery applications. The two layers of paper can be made from different materials, such as Kraft paper, recycled paper, or bleached paper. They can be combined to create a board with specific properties, such as stiffness, whiteness, and printability. Duplex board is commonly used for products like boxes, folders, and greeting cards due to its strength, versatility, and cost-effectiveness.

The duplex board paper manufacturing process typically involves several steps:

  • Pulp preparation: Wood chips or recycled paper are used to make the pulp, which is then screened, cleaned, and refined. The pulp is then bleached if necessary to produce the desired brightness.
  • Forming the paper: The pulp is mixed with water and spread evenly on a flat screen to form a paper web. The web is then pressed to remove excess water and then dried.
  • Lamination: Two paper webs are then glued together with an adhesive, forming a duplex board. The two webs can be made from different materials to create specific properties.
  • Calendaring: The duplex board is then smoothed and compressed to achieve a uniform thickness and smooth surface.
  • Cutting and finishing: The duplex board is then cut into the desired size and finished with techniques such as embossing, varnishing, or UV coating to enhance its appearance and durability.

The, the duplex board is packed and shipped to the customers for further processing or use. The manufacturing process may vary slightly depending on the specific requirements of the duplex board, but the basic steps remain the same.

The market for duplex board paper is growing due to the increasing demand for packaging and printing applications. Board paper is expected to continue to grow in popularity due to its many benefits, such as its durability, versatility, and more.


The Market for Duplex Board Paper

duplex board

Duplex board paper is a versatile and affordable product with a wide range of applications in the packaging industry. It is commonly used for food and beverage packaging, as well as for general-purpose packaging and printing. The global paper market is expected to grow at a CAGR of 5.5% from 2019 to 2024.

The growing demand for corrugated boxes and containers is one of the major factors driving the growth of the coated board paper market. Recycled board paper is widely used in manufacturing corrugated boxes and containers due to its strength and durability. The increasing demand for packaged food and beverages, as well as e-commerce shipments, is fueling the growth of the duplex board paper market.


Future of Duplex Board Paper

The future of our board paper looks bright. With its many uses in printing and packaging, this paper has been a staple for decades. It is incredibly versatile, which makes it an ideal choice for a wide range of applications, from business cards to book covers. Due to its lightweight design and sturdy construction, it is a popular choice among customers looking for something that's both affordable and reliable. 

As technology advances, so do the capabilities of duplex types of board paper. For example, new developments in inkjet printing mean that even more, vivid colours are now possible with this type of paper. With advances in digital printing technology, high-resolution images can be easily printed onto board paper.


To Conclude

Sustainable board paper is an essential product in the modern world. Duplex board paper manufacturing process is fascinating, and the market for the product is constantly growing. The future of our sustainable recycled board paper looks bright, and will continue to be a vital part of the global economy.

Get the high-quality recycled board papers from Spento Papers

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