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Categories: Book printing >> Support Center
The Structure of Corrugated Board for Packaging Printing
Origin:Image Printing  Data: 3/13/2011  Keywords: book printing or packaging printing job

In a book printing or packaging printing job, it is very important to know the structure of corrugated board. Normally the corrugated board packaging must be designed to meet the needs of the users and also the needs of the manufactures of the packaging. It is obvious that it is no use designing a packaging without be manufactured.

Corrugated board is a packaging material consisting of a central member who has been fluted on corrugators to which one or two flat sheets of paper or paperboard have been glued to form a single faced corrugated board or a single wall board.

Further medium and facings can be glued together. The combination of two mediums and three facing is called double wall board. The combination of three mediums and four facings is called triple wall board. The medium is often called the fluting and the facings are called the liner.

Corrugated fiberboard is a paper-based material consisting of a fluted corrugated sheet and one or two flat linerboards. It is widely used in the manufacture of corrugated boxes and shipping containers. The corrugated medium and linerboard are made of containerboard, a paper-like material usually over 0.01 inches (0.25 mm) thick. Paperboard and corrugated fiberboard are sometimes called cardboard, although cardboard might be any heavy paper-pulp based board. Corrugated board is manufactured on large high-precision machinery lines called corrugators, usually running at about 500 feet per minute (2.5 m/s) or more. These machines, over time, have become very complex with the objective of avoiding some common problems in corrugated board production, such as wrap for offset printing.

The key raw material in corrugating is paper, different grades for each layer making up the corrugated box. Due to supply chain and scale considerations, paper is produced in separate plants called paper mills. Most corrugating plants keep an inventory of paper reels. In the classical corrugator, the paper is softened with high-pressure steam. After the board is formed it is dried in the so-called dry-end. Here the newly formed corrugated board is heated from the bottom by hot plates. On the top, various pressures are applied by a load system on the belt. The corrugated medium is often 0.026 pounds per square foot (0.13kg/m²) basis weight in the U.S.; in the UK, a 90 grams per square metre (0.018 lb/sq ft) fluting paper is common. At the single-facer, it is heated, moistened, and formed into a fluted pattern on geared wheels. This is joined to a flat linerboard with a starch based adhesive to form single face board. At the double-backer, a second flat linerboard is adhered to the other side of the fluted medium to form single wall corrugated board. Linerboards are test liners (recycled paper) or kraft paperboard (of various grades). The liner may be bleached white, mottled white, colored, or preprinted.

Corrugated Board for Packaging Printing

Corrugated Board for Packaging PrintingCorrugated Board for Packaging Printing

photo book printing, comic book printing, cookbook printing, Hardbound Book Printing , Magazine Printing Services.All our printing is traditional offset printing, which produces the highest quality.  We believe digital printing can never match the sharp, clean results of offset and that?s why we don?t use it.

 
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As a professional book printing factory in China, Image Printing Packaging Ltd focus on book printing and packaging printing mainly for oversea and domestic customers. We are located in Shenzhen city, the book printing and packaging printing industrial center of China and even worldwide. Please be kindly note we offer a wide range of professional customed printing service with aggressive prices
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