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flute

Corrugated fiberboard has two main components - linerboard and medium. Linerboard is the flat facing that adheres to the medium. The fluted medium is glued between the linerboard facings and provides protection and insulation. The medium is typically bonded to the liners with a starch based adhesive. A flat piece of fiberboard that has been cut, slotted and scored is called a box blank. For many box types, two box blanks are brought together using tape, staples or glue to form a box. Where they are adhered is called the manufacturer's joint.

Medium comes in several common sizes. A-flute was the original flute profile. With 33 flutes per foot it is the largest. C flute is next in size and one of the most commonly used at 39 flutes per foot. Next is B flute at 47 flutes per foot and E flute at 90 flutes per foot. Micro-flutes such as F and N provide enhanced graphic capabilities for retail applications. Flute profiles can be combined to meet specific needs.

Typical Box Types

To learn more about the different types of box styles that can be produced, please click on the samples below:

 

 

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TimBar Packaging & Display

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Hanover, PA 17331

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