Corrugated cardboard packaging is produced out of renewable raw materials, which can be. A technical overview learn about how corrugated became the obvious choice in protective packaging and what you need to know to select the perfect box. The alphabetical designations of the flutes dont correspond to the sizes of corrugated boxes, but rather to the order in which the flutes were invented. Jul 27, 2016 here is an image of a corrugated box used as primary retail packaging. The main factor in defining the properties and application of corrugated material is the type of paper that is used. Corrugated board is formed by gluing one or more sheets of fluted corrugating medium the wavy paper in the middle to one or more flat facings of linerboard. Outline of manufacturing process and materials utilized the manufacture of corrugated packaging can be roughly classified into two processes. The most frequently used flute corrugation is c flute, with 80% of boards and boxes making up this designation. Types of material the packaging machines from schut systems process cartons and trays made of duplex cardboard, corrugated cardboard, ultralight corrugated paper, laminated cardboards and processed cardboards. Flute is a sheet of corrugating medium that is shaped into a continuous rolling wave.
The most frequently used flute corrugation is c flute, with 80% of boards and. Box styles basics 2014, fibre box association the following is an initial set of box styles that form the basis from which a large majority of corrugated boxes are derived. Corrugated cartons feature either of the types below. Pdf design of different types of corrugated board packages. Bflute, the second flute size adopted by the corrugated industry, has lower arch heights than a and more flutes per foot 50. What types of corrugated packaging materials are there. The corrugated medium sheet and the linerboards are made of kraft containerboard, a paperboard material usually over 0. All flaps are the same length from the score to the edge. Structural design of corrugated boxes for horticultural produce. Nov 06, 20 corrugated fiberboard is made by gluing a flat sheet of paper to a corrugated wavy sheet of paper. The factor is a multiplying factor compared to the strength of an rsc. Corrugated packaging cardboard shipping boxes packsize. It is glued to a paper liner in a wavy texture, which forms arches that are strong and perfect for packaging, displays and other applications that require strength. Research has proven that cushioning is another possible packaging application for corrugated paperboard.
Flutes serve as protective cushioning and help strengthen a carton. May 19, 2011 flutes type is the most important to know when we designed a carton box. Flute is the corrugated wavy portion of cardboard that gives cardboard its characteristic strength. The medium of corrugated boxes have 5 basic flute classifications also called flute profiles. Currently in the marketplace, paper is typically used as a loosefill type of cushion and corrugate can. Structure of flutes for packaging posted on february 20, 2009 by lblakley architects have known for thousands of years that an arch with the proper curve is the strongest way to span a given space.
Corrugate is easily accessed, obtained from a renewable resource, and easily recycled all of which appeal to the increased interest in. Corrugated fiberboard or combined board has two main components. Corrugated box fluting comes in different sizes and varieties to be used for different applications. How to choose the right corrugated box for your retail. May 31, 2016 corrugated flutes are the s shaped wavesarches of a corrugated box that makes up the board.
Abaqus explicit a fct test of a single flute board by means of a single wave. This gluing fixes the flutes and also gives the lightweight paper especially high. The letter designation relates to the order that the flutes were invented, not the relative sizes. Burst, damage the term given to packaging containers which split or burst due to too much pressure e. Flutes are essentially the reinforcement that make up the board. Because aflute offers excellent stiffness qualities and short column crush resistance, it has application across a broad range of customer uses. A single sheet is diecut according to a template and is then folded to make a box or a tray.
Different widths and configurations offer distinctive performance advantages. Corrugating medium a paperboard used by corrugating plants to form the corrugated or fluted component in making corrugated combined board, corrugated wrapping, and the like. Types of packaging corrugated boxes how to buy packaging. These boxes can be used for anything from front shipping to packaging. Type of flute of corrugated carton boxes corrugated carton. Alkaline reserve the corrugated paperboard shall contain an alkaline reserve of calcium carbonate, magnesium carbonate, or a combination of both, within a range of 3 6% calculated as. Flutes are the crinkled waves seen between the walls of any corrugated cardboard. Flutes come in several sizes, known as flute profiles.
The type of flute mainly used is the circular flute shape sinus wave. Food and beverage segment dominates the global corrugated box packaging market due to increasing demand for value added boxes. It can be paperboard, corrugated board or fiberboard. Corrugated material is available in different wall thicknesses, known as flutes sizes. Each of these box styles is accompanied with its international case code, name, an acronym, an image, a description, and a layout.
Corrugated box is made up of the corrugated fiberboard consisting of fluted corrugated sheets along with one or more linerboards. Acflute, and bcflute corrugated paperboard using the stress energy method. Common flute sizes are a, b, c, e and f or micro flute. Wachuta published by the institute of paper chemistry, appleton, wisconsin, usa. Wellknown types of flutes include a, b, c, e, f flutes.
Understanding corrugated flutes professional packaging systems. Home packaging supplies boxescorrugated sheets corrugation. Primarily composed of pulp and utilized for flutes within corrugated boards. The first flute developed for corrugated cardboard boxes. Each material behaves differently on a packaging machine and we take that into account. They are shipped flat, ready to use, and require closing using the flaps provided. Triple wall is the thickest and used for packing, furnatures, bikes, motorbikes, something is heary and nee. The flute is the structure of the waves in the paper, which is typically sandwiched between two nonfluted paper to form cardboard. Type of flute of corrugated carton boxes corrugated. Due to the presence of flutes, the corrugated box attains higher strength and better flexibility when compared to the cardboard. Jan 19, 2016 this material is then sandwiched between flat sheets of material to form corrugated fiberboard. For questions concerning compression strength of corrugated cases, two very good sources of information are performance and. The waves are known as fluting, and each individual wave is a flute. Chapter 6 corrugated cardboard packaging section 6.
Box style reference the following box styles are grouped in categories. Aflute corrugated board bflute corrugated board cflute corrugated board eflute corrugated board a is the largest flute, c is the second largest followed by b and e. An endblown flute is played by blowing at the end of a tube or pipe. Flute coarse springs well, has good cushioning properties. A definitive explanation of corrugated board grades. Case types a value for different corrugated case styles. Design of different types of corrugated board packages using finite element tools. C flute corrugation is the most frequently used, with 80% of boards and boxes making up this designation. All corrugated packaging material will have a wavy texture when viewed from the side. Corrugated box market by type singlephase, single wall.
Corrugated fiberboard is made by gluing a flat sheet of paper to a corrugated wavy sheet of paper. Imc box corrugated cartons and corrugated packaging box. The types of corrugated paper are named according to flute profilemarked from a to c and e and f. Corrugated cardboard boxes manufacturing unit with printing. Different types of corrugated boxes are designated by the letters a, b, c, e, or f, with flutes a e being the most common types. Corrugated boxes can be distinguished by what type of flute is used.
A beginners guide to corrugated boxes jamestown container. Flute medium is suitable for folding box boards, dimensions lie between the coarse and the. Most cartons mainly come in two formats folding cartons and rigid box cartons. A still finer flute called fflute is made by a few board makers. Folding cartons are those which are manufactured from a single sheet board.
When it comes to protecting products during shipment, the corrugated box is the most common choice for companies around the world. It is made on flute lamination machines or corrugators and is used in the manufacture of shipping containers and corrugated boxes. Blank a flat piece of corrugated board that has been cut and scored ready to make a box. This means that the medium contacts and supports the liners at a greater number of points, providing a stiff, flat surface for high quality printing and. With its thickness, aflute provides the greatest cushioning properties for fragile products. Linerboard is the flat material, typically on the outer surfaces of the board but also on the inside for some structures, that adheres to the medium. The materials strength and durability of this type of corrugated box style varies.
The ways in which corrugated board may be used are practically limitless. Both are made of a special kind of heavy paper called containerboard. What are the types of grades in custom corrugated boxes. Custom corrugated boxes 101 cardboard box sizes chicago, il. Single wall double face a corrugated medium and two sheets of liner board one on each side are glued together. Pdf from a structural point of view, corrugated board would fit on the. Marking package level the outside of each packing container shall be legibly marked with the following information. The medium is the wavy, fluted paper in between the liners. Pdf structural design of corrugated boxes for horticultural. The larger the flutes, the more strength and cushioning they provide.
The ancient versions of flutes that have been excavated are forms of endblown flutes. Single wall as e, b,c,a flute, also called 3ply double wall,like bc, be, ee, used for outer packagings for beer, milk cartons and so on. Larger fluting also makes the walls of the box thicker, while retaining a light weight. They run parallel to the depth of the container and give it its rigidity and crushingstacking strength.
Aflute is the original corrugated flute design and is the thickest. Each flute size has a particularly useful function, from shipping strength to reducing storage space to improved printability. The two main types that you may be familiar with are kraft and test liners. There are varying thicknesses single wall, double wall, triple wall, etc. All about corrugated box structure corrugated fiberboard, or combined board, has two main components.
Corrugated fiberboard is a material consisting of a fluted corrugated sheet and one or two flat linerboards. It is made on flute lamination machines or corrugators and is used for making cardboard boxes. From the experience in these box types, and taking advantage from the. How to effectively use packaging boxes for your business. Consist of one piece with a glued, stitched, or taped manufacturers joint and top and bottom flaps. From the experience in these box types, and taking advantage from the inherent modelling simplicity of the composite layered models together to the flexibility offered by the available modelling techniques in abaqus, these virtual prototypes have been extended as a design tool for very different types of corrugated board packages. There are four common types of corrugated containerboard. Kraft paper is the most commonly used outside liner when selecting materials to produce corrugated boxes and packaging.
Understanding corrugated flutes professional packaging. Corrugated paperboard, often referred to as cardboard by those outside the industry, is most often associated with the typical shipping box. Slotted boxes slotted box styles are generally made from one piece of corrugated or solid. For example, if a case type is 50% stronger than the rsc, then the factor for that case would be 1. The process of selecting the correct package design for a particular product has grown more complex new technologies and materials present everincreasing manufacturing options. A flute was the original corrugated flute and is the thickest flute profile you can use. Flutes type is the most important to know when we designed a carton box.
Single face a corrugated medium and a single sheet of linerboard are glued together. Linerboard is the flat facing that adheres to the medium. Designing a corrugated box the design of a corrugated box is a major undertaking. Corrugated flutes are the s shaped wavesarches of a corrugated box that makes up the board. Manufacturing defects in corrugated board boxes, their causes and remedies by deepak killawala presented at 32nd certificate course in corrugated packaging wicma auditorium, 237, mittal indl. Design of different types of corrugated board packages. The fluting profile affects both the weight of the box as well as the strength of the walls. Your flute size determines the thickness of the walls of your corrugated box as well as the stacking strength. Show partition types shows you a picture of the strength divider types. Corrugated boxes are mainly known for their two traits, versatility and durability. The most common flutes used today are a, b, c, e, and f with a being the largest. Buy your corrugated boxes from us, and get a discount on a case former.
When corrugated boxes began to be manufactured, they used these same principles to. Corrugated technical overview board flutes and callipers common flutes. The standard profiles range from aflute the largest to fflute and below micro flutes. Here are descriptions and details of each corrugated flute size. The corrugated medium sheet and the linerboard s are made of kraft containerboard, a paperboard. The packaging machines from schut systems process cartons and trays made of duplex cardboard, corrugated cardboard, ultralight corrugated paper, laminated cardboards and processed cardboards. It was created to box canned goods that were selfsupporting and thus didnt require.