48 ECT: 275# 120 lbs. in.) This symbol identifies the manufacturer and serves as a symbol of compliance with the stated specifics. 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. Our award-winning facility and world-class staff, have made us industry leaders in quality and productivity, establishing an industry-wide reputation for excellence. Liner:A creased fiberboard sheet inserted as a sleeve in a container and covering all side walls. Corrugated Pads & Sheets. This method describes the procedure for measuring single-sheet thickness and variations in single sheet thickness of paper, paperboard, and combined board. A corrugated board style refers to the different combinations of flutes and liners in corrugated cardboard boxes. Inner Packing Piecesare scored and/or folded pieces of fiberboard used for cushioning, suspension and separation, and to fill voids. Inside dimensionsare used for measuring because the corrugated board thickness may vary. Common formats include: Padsare plain shapes of corrugated or solid fiberboard, used to fill spaces or separate layers or sections of products. The majority of box styles fall into one of the following general categories: Slotted Boxes, Telescope Boxes, Folders, Rigid (or Bliss) Boxes, Self-Erecting Boxes and Interior Forms. Eco-friendly packaging is something that many customers demand from brands today. At the same time, its important to note that a higher GSM doesnt necessarily translate into a heavier weight. Cover. You can use it for boxes for products like cosmetics where instant brand recognition is of utmost importance. In China, the thickness of paperboard is measured in mm, whereas in America it is measured in p, abbreviated as Pt. Here are the most common flute designs: Fluted boards use either Kraft or Test liners for the exterior; Kraft liners are made from softwood trees and offer the highest strength as a virgin material, while Test liners are made from recycled paper (less strong, but cheaper). We have half a century of experience in the field of corrugated packaging testing and a wealth of information to share. Traysare formed from a single piece of combined board, with the design featuring an unbroken bottom and several layers of corrugated in the end panels. Suitable for light stacking. The thicker your cardboard sheet gets, the harder it is to implement high-resolution printing. While corrugated cardboard is better suited for shipping and industrial needs, chipboard packaging offers the advantage of being easily printed on, making it ideal for branded products. 1 pt = 0.0254mm. 2023 Hanchett Paper Company. Each makeup will vary slightly in overall strength. The advantage of this flatter surface is that it is perfect for printing. Corrugated boxes offer protection . Just remember that thickness doesnt necessarily correlate with heaviness. To reverse the calculation simply select "gsm 2 ->lbs" and enter a gsm value. Partition:A set of corrugated, solid fiberboard or chipboard pieces that interlock when assembled to form a number of cells into which articles may be placed for shipment. You can also customize the appearance of your boxes to ensure your packaging will always provide customers with an on-brand unboxing experience. Original corrugated flute design.B-Flute:Appx 47 flutes per foot and measures 1/8 thick; often for canned goods.C-Flute:Appx 39 flutes per foot and measures 5/32 thick; common for shipping cartons.E-Flute:Appx 90 flutes per foot and measures 1/16 thick.F-Flute:Appx 125 flutes per foot and measures 1/32 thick; for small retail packaging. E-flute cardboard is not suitable for direct offset printing and requires printing on a separated sheet and then lamination. The exciting thing about fluted cardboard is its strength to weight ratio; it is approximately 50% lighter than paperboard of the same thickness because of the air gap between the flute and the cardboard liners. 2023 Industrial Physics. Privacy PolicyManage consent. The corrugated box Contains 36 flute per square foot with a thickness of . boxes that hold items like canned foods to be displayed in malls and supermarkets besides other competing products. Bending:The ability of containerboard or combined board to be folded along scorelines without rupture of the surface fibers to the point of seriously weakening the structure. Corrugated material is measured by several factors, including bursting test, edge crush test, combined weight of material, maximum weight of contents, and outer dimensions. Flute thickness (inch) Flute per linear meter: Flute . C Flute. Inner Pack Formsare usually die cut fiberboard pieces designed to position and support products away from the walls of the box for added protection. Corrugated flute type is another way of measuring cardboard thickness. Double Wall:A corrugated board construction where two layers of medium are glued between three layers of flat linerboard facing. Flutes serve as protective cushioning and help strengthen a carton. Our Sales team will be in touch within 48 hours. Cardboard:A thin, stiff pasteboard used in the creation of playing cards, signs, etc. Industrial Physics uses cookies to give you the best experience whilst navigating our website. Here are some primary types you'll encounter: Single face board. Chipboard thickness is measured by a point system. For example, the label on a box may say it has a 200K/B/200T paper grade. If so, then you might not need packaging thats extremely durable. A name or number identifies styles in common use. Lightweight and fine. A-Flute is 1/4 inch thick, greatest cushioning for fragile products. Weve all received a box that looks like it went through the wringer with tears and punctures all over the place. Built-up:Multiple layers of corrugated board glued together to form a pad of desired thickness, normally used for interior packing. . On the other hand, cardboard boxes are made with pulp paper derived from wood or grasses. They can bear the brunt of physical impact and weather elements while protecting the product being shipped or in storage. Carton boxes typically have a maximum thickness of 0.032 inches (.81mm), so they're only meant to hold a few pounds at most. Lightweight and fine. Corrugated material is available in different wall thicknesses, known as flutes sizes. as applied by a Mullen Tester. Fluting generally runs parallel to the height of a shipping box. This may be a thinner fluting material, but it hasnt, in any way, affected its crash-resistance properties. This is because their composition means they rank well for strength but not for printability. Our white cardstock comes in the following weights: 65 lb. The Edge Crush Test measures compression resistance, and the resulting value is reported in ECT ratings. Being slightly thicker than standard paper, F flute is ideal for printing machines and easier to fold than E flute. TheMullen Bursting Testmeasures a boxs ability to withstand external or internal forces, and to contain the contents during handling. The sealed overlap helps to keep the outter flaps from pulling apart. Quickfire guide to corrugated cardboard thickness grades. These cookies track visitors across websites and collect information to provide customized ads. They can also be cut and formed into custom-sized boxes. Linerboard:The flat sheets of paper that comprise the outer surfaces of a sheet of corrugated board. Yes, the Cricut Explore Air 2 can cut corrugated cardboard using the Deep Point Blade, but it doesn't perform very well with intricate cut patterns and with glittered or textured corrugated cardboard. This thickness, for most people, gives a sense that the corrugated is stronger. Its dimension is 15 x 12 x 10. A sample option is available as a single purchase. Ply:Any of the several layers of linerboard or solid fiberboard. Uline 200 lb. When determining the basis weight from combined board, the take-up factor of the corrugated medium, which varies with flute size, and the weight of the adhesive must be considered. You can use it in counter display boxes, i.e. Scored and Slotted Sheet:A sheet of corrugated fiberboard with one or more scorelines, slots or slits. Photo by @homemadesocial_The gamut of packaging solutions on the market is ever-increasing. However, what goes into making Kraft paper the strongest type of paper, also makes it a costly option. Please contact Pro Pac or call 888-318-0083 for your corrugated shipping cases. Corrugated board can be created with several differentflute profiles. Seam:The junction created by any free edge of a container flap or panel where it abuts or rests on another portion of the container and to which it may be fastened by tape, stitches or adhesive in the process of closing the container. Review our Privacy noticeto learn more about how we protect your information. Flaps extending from the side and end panels form the top and bottom of the box. Stacking Strength:The maximum compressive load a container can bear over a given length of time, under given environmental/distribution conditions, without failing. If a corrugated container has a 55 ECT rating, it means that it can withstand a 55 lbs of pressure on the edges of the cardboard. You can use corrugated board style to determine cardboard thickness. Not only do you need to consider the cost of the packaging components themselves, but you also need to consider how much it costs to ship with these packaging items since shipping rates are determined by size and weight. E-Flute: Appx 90 flutes per foot and measures 1/16 thick. Getting the colours from your image and building your palette Copyright 2021 Wigston Paper All Rights Reserved, Contains recycled content and is itself recyclable, Reusable for other packaging requirements, Reusable in other projects, including gardening and art, Offers unbeatable protection for items in transit, N flute 0.5mm thickness. The raw materials used to make containerboard may be virgin cellulose fiber, recycled fiber or a combination of both. Its very stiff and durable. 1 inch = 25.4 mm = 1000 lbs. Digital printing is plate-free and can produce more intricate designs than Flexo. 25 Sheets of Chipboard, 30pt (Point) Medium Weight Cardboard .030 Caliper Thickness, Craft and Packing, Brown Kraft Paper Board (8.5 x 11) 4.5 out of 5 . Mullen (or Burst) Test:The Mullen Test is a standard industry measure of the bursting strength of corrugated board. They cant be beat for price, speed, and quality. With this, you get sheets that can hold weights of up to 300 lbs. centers of double wall). While corrugated cardboard may be a great packaging material for your business needs, you still need to understand its properties so you can make the right choice. Corrugated cardboard is relatively inexpensive, reusable, recyclable, and provides consistent, predictable performance in transit. CORRUGATED BOXES CS19.0.5 Issued: 2017AUG10 CORPORATE STANDARD File No. This tool is to be used for convenience purposes only and is not a substitute for discussion with a WestRock sales or customer service representative who can provide you with more customized assistance. Luckily, standard corrugated cardboard boxes are excellent printing platforms. Kraft:German word meaning strength; designating pulp, paper or paperboard produced from wood fibers. Shorr listens closely to our customers needs and delivers packaging solutions for projects of any scope and complexity. Double wall board with AB flute, a.k.a. Corporate Office:4000 Ferry RoadAurora, IL 60502, Need Help? per sq. Center Special Full Overlap Slotted Container (SFF) Inner and outer flaps are cut to different lengths. So that definitely played a role in the machine's performance. This type of cardboard is ideal for inner packaging components as its not as durable and strong as the other board styles. Its -inch thickness ensures it has excellent crush resistance and stacking strength a desirable feature in boxes that will be stacked for extended periods of time. They may be simple rectangle, scored, slotted or die-cut shapes. Heres a list of some of the different flute sizes available and their corresponding name: C flute is by far the most common corrugated flute type and can be used for a wide range of different products. Most people believe a cardboard box and a corrugated cardboard box to be one and the same. This section explores the technical details of how corrugated cardboard boxes are manufactured, and how such information can help you choose the right specifications for your packaging needs. B-Flute: 6.2 N.m (MD) and 2.9 N.m (CD). Let us meet your contract packaging needs and their expectations. Suggested Load/Box Min. Look for an experienced and reputable company that offers customized packaging solutions, bulk discounts, and fast turnaround times. Chipboard is a type of thick fiber paper, typically made from recycled paper, though it can also be made with sawdust and other ingredients. This is a combination of the B and C flutes to create a 6mm thick fluting material. Email: hello@wigstonpaper.com. Different flute profiles can be combined in one piece of combined board. Corrugated pads and sheets are flat pieces of cardboard or plastic that layer between products or separate items in a palletized stack. Start building your custom box now to see a preview of how it will look! This is used to determine the weight of the stock in everything from cardboard to copier paper to folding box board. Standard board grade list. EB flute combines E and B flutes for strength and printability. Analytical cookies are used to understand how visitors interact with the website. GSM is one of the most popular and precise methods of measuring cardboard thickness. Common types include: Full Telescope Design Style Container (FTD) and Design Style Container with Cover (DSC) Two-piece boxes made from two scored and slotted blanks (trays). Standard Heavy Duty Water Resistant Microflutes. Depending on the size and quality, a single wall cardboard box is likely to hold between 30-80 lbs. So if you're looking for a thick and strong cardboard for packaging, you're going to want to choose a product with a GSM above 350. To help you understand the applications of different flute types, lets explore each of them below. : 2017AUG10 CORPORATE standard File No our customers needs and their expectations palletized stack thickness! Offset printing and requires printing on a box may say it has 200K/B/200T. Inch thick, greatest cushioning for fragile products digital printing is plate-free and can more! And complexity appearance of your boxes to ensure your packaging will always provide customers an... 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