corrugated cardboard thickness chart

Unitized Load:A load of a number of articles or containers, bound together by means of tension strapping, plastic shrink or stretch films. Corrugated cardboard is made with Kraft paper, Test paper, and recycled or virgin fibers. There are four common types: Corrugator:The machine that unwinds two or more continuous sheets of containerboard from rolls, presses flutes into the sheet(s) of corrugating medium, applies adhesive to the tips of the flutes and affixes the sheet(s) of linerboard to form corrugated board. E flutes have 94 flutes per foot and are 1/16 thick. Outside dimensions are used in the carrier classifications and in determining pallet patterns. We understand that you rely on us for more than paperboard. It has about 47 flutes per foot and is 1/8" in thickness. This is due to the orientation of the corrugation layer. You can easily customize the walls of your boxes to display your brand colors, logo, or product information. At the same time, its important to note that a higher GSM doesnt necessarily translate into a heavier weight. Choosing a corrugated cardboard box with the right thickness is essential to the success of your business. This cookie is set by GDPR Cookie Consent plugin. Sometimes called inside and outside liners. Try the "Matboard 1.5mm" option first. Privacy PolicyManage consent. Also, remember that sometimes its worth it to spend a bit more on thicker cardboard that provides more protection to your products. Generally, larger flute profiles deliver greater vertical compression strength and cushioning. B FLUTE - Good puncture resistance + Very Common Grade + Good use for canned goods and displays B-Flute, the second flute size adopted by the corrugated industry, has lower arch heights than A and more flutes per foot (50). 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. Kraft paper is essentially brown paper or paperboard made from pulp fiber that is derived from softwood trees. In that case, you must consider the number of hands on your package contributes to the likelihood of damage during shipping. The C is the second-thickest corrugated flute available, measuring about 3.2 millimeters or 11/64 inches in thickness. We can talk you through every aspect of your setup or advise when it comes to adding just one specific testing solution whatever suits you best. . 2023 Industrial Physics. When choosing the best packaging for your brand, you first need to consider the contents of your packaging. With the corrugated packaging industry continuing to forge ahead, it is safe to say that its popularity has now been cemented. 63 products. needed to cause compressive failure of an on-edge specimen of corrugated board. Each sandwich beam was 1200 mm long, 150 mm wide and was constructed of two-layer FFRP faces and a 75 mm thick corrugated cardboard core. Types of corrugated box. This means that there are about 41 flutes within a single linear foot of packaging. TRIPLE WALL (minimum puncture test, oz. The corrugated cardboard adds miracles to its quality, with the center fluted sheet forming a support to two . 210 to 300 GSM is often used for brochures. This is the thickest single-wall fluting material. Used to provide extra stacking strength or cushioning. A-Flute is 1/4 inch thick, greatest cushioning for fragile products. The flute is made from recycled materials. 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. When measuring the inside of an existing box, make sure to measure from the center of the score (the crushed fold line). Primarily used for packaging glassware or other fragile items. Stacking Strength:The maximum compressive load a container can bear over a given length of time, under given environmental/distribution conditions, without failing. Standard Heavy Duty Water Resistant Microflutes. Digital printing is plate-free and can produce more intricate designs than Flexo. The test certifies that the box can withstand the stated pressure (lbs. All of our Saxon Packaging materials are sourced from global leaders within the paper based packaging industry to ensure our material is cost effective and of the highest quality. The cookie is used to store the user consent for the cookies in the category "Advertisement". For example, 60 pt = 60 * 0.0254mm = 1.524mm. Double Wall Corrugated Box ECT/Mullen Conversion Chart; Max. It usually involves flexography (Flexo), a form of rotary printing where ink is applied to the cardboard using a flexible rubber plate. This simply means: The PT (point system) is another way of measuring cardboard thickness. The growth in e-commerce, accelerated by Covid-19, and continued interest in the sustainability in packaging are two massive drivers for corrugated. Great for printing. They can also be cut and formed into custom-sized boxes. This may be a thinner fluting material, but it hasnt, in any way, affected its crash-resistance properties. Carton:A folding box made from boxboard, used for consumer quantities of product. This is applicable to all types of board grades and thicknesses. It's also referred to as cover paper. These are a sheet of corrugated or "fluted" material in the centre, placed between 2 layers of paper - the outer and inner liners. Carton boxes typically have a maximum thickness of 0.032 inches (.81mm), so they're only meant to hold a few pounds at most. (9 mm). Combined Board:A fabricated sheet assembled from several components, such as corrugated or solid fiberboard. This flute type is popularly used in clamshell packaging. Sharp Packaging Baggers and Bagging Systems, American Packaging Machinery (APM) Shrink Systems, Modern Slavery Act Transparency Statement. 22x22x22 inches. EB flute combines E and B flutes for strength and printability. E flute 1mm to 1.5mm. boxes that hold items like canned foods to be displayed in malls and supermarkets besides other competing products. E-flute cardboard is not suitable for direct offset printing and requires printing on a separated sheet and then lamination. Manufactured from recycled newsprint and old corrugated, this thick paperboard grade is often used as the "body stock" for rigid or setup boxes. Also, keep the size of your products in mind when choosing to package. Double Wall:A corrugated board construction where two layers of medium are glued between three layers of flat linerboard facing. A corrugated board style refers to the different combinations of flutes and liners in corrugated cardboard boxes. All rights reserved. Home - StarCorr Sheets. Ply:Any of the several layers of linerboard or solid fiberboard. The truth is, the type of paper can significantly change what the weight means. Eco-friendly packaging is something that many customers demand from brands today. Edge Crush Resistance/Short Column Compression (ECT):The amount of force needed to crush on-edge combined board is a primary factor in predicting the compression strength of the completed box. Tensile Strength:Indicates the containerboards resistance to breaking when it is pulled into or through equipment during the converting and printing processes. Flute thickness (mm) Flutes per lineal foot: Take-up: E: 1.6: 90: 1.24: F: 0.8: 125: . LE67 1PG, Tel: +44 (0)1530 512 700 Basis Weight:An attribute of containerboard, but the values may be determined from the combined corrugated board. Inner Packing Piecesare scored and/or folded pieces of fiberboard used for cushioning, suspension and separation, and to fill voids. To view and use the paperboard calculator, please accept our terms and conditions. . 60 pt particle board in the US refers to 1.5mm gray board in China, which is perfect for . In flexography, the image is created in relief on plates. A carton is not recognized as a shipping container. Another way to print on cardboard is with digital printing. Paperboard:One of the two major product categories of the paper industry. Corrugated cardboard GSM calculates the total number of each layer paper GSM. . 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. This makes now the ideal time to see the benefits corrugated has to offer, in terms of flexibility, strength and affordability. When designing packaging for your brand, youre faced with an overwhelming number of choices. So, lets explore corrugated board grades. The term "combined board " encompasses both corrugated and solid fiberboard. May be further defined as a box blank, a box part, a tray or wrap, a partition piece, or an inner packing piece. Thus you will not have to stock many different sizes, or ship . Non-Bending Chipboard. Slip Sheet:A flat sheet of material used as a base upon which goods and materials may be assembled, stored and transported. Cheaper boxes may not survive the hazards of everyday shipping and handling. 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. 1 inch = 25.4 mm = 1000 lbs. BC flute 6-7mm thick. To reverse the calculation simply select "gsm 2 ->lbs" and enter a gsm value. These boxes usually consist of top and bottom pieces that fit over each other. Get Quote. Sometimes referred to as a class stamp or cert stamp. Tube:A sheet of combined boards, scored and folded to a multi-sided form with open ends. 'C' Flute: 3600-4200 microns (3.6mm - 4.2mm) in thickness it offers greater box compression strength than 'B' flute, thus giving slightly better stacking strength for lighter products. Dimensions should always be stated in the sequence ofLength,WidthandDepth(exceptions include bookfolds, bin boxes and dividers, where the sequence is Width, Length and Depth). So how does the breadth of choice factor in when it comes to the components of corrugated cardboard? TheMullen Bursting Testmeasures a boxs ability to withstand external or internal forces, and to contain the contents during handling. To help you understand the applications of different flute types, lets explore each of them below. Brown Corrugated Packaging Sheet, Gsm: 70 Gsm 35/ Kilogram. Leicestershire, UK Different flute profiles can be combined in one piece of combined board. Scored and Slotted Sheet:A sheet of corrugated fiberboard with one or more scorelines, slots or slits. Show off your brands unique style with a custom designed box. These include a wide variety of build-ups, dividers, partitions and other inner packing pieces. Flute direction may be perpendicular to the length of the sheet (usually for top-opening RSCs) or parallel to the length of the sheet (usually for end-opening RSCs). Basically, chipboard is made by taking fragments of recycled paper, forming them into layers, and gluing the layers together. A reduced surface area also means it helps you save on storage space. The advantage of this flatter surface is that it is perfect for printing. No wonder corrugated boxes are some of the most common types of retail packaging materials in use today. 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. Analytical cookies are used to understand how visitors interact with the website. Suitable for litho printing. 61 ECT: 400# 160 lbs. Luckily, standard corrugated cardboard boxes are excellent printing platforms. The inner liner is made from Test paper (recycled fiber content) which makes it less durable than Kraft paper. Your customers are your top priority. Corrugated cardboard properties Triple-Wall Corrugated Box Packaging for B2B Shipping. A thin paper can have a depth of 7 points, while thicker boards can be 15 points. The amount of overlap is measured from flap edge to flap edge. Popular flute sizes include: There are other options, but this list contains the types of flutes most often used for packaging. Wrap-around Blank:A scored and slotted sheet of corrugated fiberboard that is formed into a box by folding it around its contents. Suitable for light stacking. However, it can be difficult to convert GSM into a unit that you can actually understand. Check out our extensive range of packaging products that are designed to meet the unique requirements of every business! as applied by a Mullen Tester. Outer dimensionsmay need to be communicated for shipping and pallet configuration purposes. Test "C" fluting sandwiched between three sheets of paper for extra 350 lb. Corrugated boxes offer protection . For more corrugated testing solutions, be sure to get in touch with our corrugated specialists. Cardboard thickness impacts the quality of printing. The cookie is used to store the user consent for the cookies in the category "Analytics". It is double layered and is often referred to as Duplex paper. Here are some examples of different types of paper/cardboard so that you can get a better grasp on using GSM to measure cardboard thickness: So if youre looking for a thick and strong cardboard for packaging, youre going to want to choose a product with a GSM above 350. It offers the highest protection and the best cushioning properties. Fluted cardboard is rated for light, medium, and heavy-duty applications. Learn more about PSI's cardboard box strength! Lightweight and fine. 200 Packs 4x6 Inch Corrugated Cardboard Sheets, Premium Corrugated Pads Cardboard Inserts Bulk Flat for T-Shirts, Shipping, Mailing, Cardboard Divider Backing and Cardboard Crafts (Kraft) . Are your products particularly heavy items that require very strong and durable packaging? You may have heard it references as particleboard or paperboard. 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. 300 GSM. centers of double wall). Set-up Boxes:Boxes that have been squared, with one set of end flaps sealed, ready to be filled with product. F-Flute: Appx 125 flutes per foot and measures 1/32 thick; for small retail packaging. Ink is then applied to the board on an anilox roll, creating a crisp, high-quality image. Paperboard is used to produce a variety of different types of packages such as cereal boxes. For a universal comparison, grams per square meter (gsm) is a good comparative measure because it does not vary with sheet . Corrugated boxes are incredibly versatile! Your browser is out of date, and may not be compatible with our website. Puncture Resistance:The puncture resistance of combined board indicates the ability of the finished container to withstand external and internal point pressure forces and to protect the product during rough handling. 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. 4. Flute:The wavy layer of corrugated medium that is glued between the flat inner and outer sheets of linerboard to create corrugated board. The inner flaps, with no gap, provide a level base for products. Yet another double-wall fluting material that combines the E and B flutes to create a board that is both durable and suitable for printing. This is possible because the qualities of both flutes complement each other. This thickness, for most people, gives a sense that the corrugated is stronger. The wall construction and thickness determine the strength and rigidity of the board. 3-Ply Corrugated Carton. The cardboard itself can be printed directly and doesnt require pre-treatment. Are your products extremely fragile items that require additional protection? Caliper:Usually expressed in thousandths of an inch (mils) or sometimes referred to as points. Caliper measurements are also used as an indirect measure of manufacturing quality. 140/150 GSM. Box Style:Distinctive configuration of a box design, without regard to size. It may be an element of a box style or a unit of interior packing that provides protection and compression strength. The two main paper liners used in corrugated box construction are Kraft and Test. GSM Board grade - The grade of the corrugated board is on the basis of three factors; one is the weight and type of the outer liner, the second is the type of groove, and the third is the weight and type of the inner liner. Are you personally packing orders yourself and using a local delivery service? . Also known as doubleface. Thicker corrugated cardboard boxes are not cheap. Open flute cardboard has external rather than internal corrugation, which gives it a textured appearance and feel (ideal for fancy packaging). It is not made from virgin fibers and instead includes recycled elements. Test paper is more often used as an inside liner. Good packaging should be strong enough to withstand and deflect external shock while being light enough to avoid any noticeable addition to the weight of the item being shipped. Let's say the first is AC fluting and the other is BC fluting. If you were using a corrugated board that has a 150gsm Kraft paper liner, this will be expressed as '150K'. Full Telescope Half Slotted Container (FTHS) The two-piece body is made from two half-slotted containers. test boxes are made with heavier paper and have 60% greater bursting strength than 32 ECT . BoxGenie is a custom packaging provider with 45 years of experience. Being slightly thicker than standard paper, F flute is ideal for printing machines and easier to fold than E flute. Slot:A wide cut, or pair of closely spaced parallel cuts including removal of a narrow strip of material made in a fiberboard sheet, usually to form flaps and permit folding without bulges caused by the thickness of the material. Take two double wall corrugated boxes and inspect them. Corrugated fiberboard is sometimes called corrugated cardboard, although cardboard might be any heavy paper-pulp based board. B-flute was then developed for canned goods. C-Flute 3/16 inch thick, commonly used for shipping cases. Here is a handy chart to compare all of these variables. The corrugated board packaging market was valued at over $262 billion in 2019, and is expected to reach nearly $400 billion by 2025. It is simply how much a square meter of the material would weigh in grams. Corrugated boards are excellent platforms for printing. The flute type is suitable for holding a wide range of items and is an ideal choice for business owners looking for a box that offers excellent protection and customization. The corrugated paperboard shall be tested for bending resistance in accordance with TAPPI T-836, and shall satisfy the following requirement: E-Flute: 1.6 N.m (MD) and 0.9 N.m (CD). per in. (B) Single Wall:The corrugated medium is glued between two sheets of linerboard. Please contact Pro Pac or call 888-318-0083 for your corrugated shipping cases. More than 95% of all goods consumed in North America are packaged and transported in corrugated packaging. Seen in all types of applications including die-cut and regular cases, it gives a good all-round performance. This symbol identifies the manufacturer and serves as a symbol of compliance with the stated specifics. We trust them with all our packaging needs!. Corrugated cardboard is made by sandwiching fluted cardboard in-between an inner and an outer layer. January 1, 2015 - TAPPI. Smaller flute profiles provide enhanced structural and graphics capabilities for use in retail packaging. Necessary cookies are absolutely essential for the website to function properly. Corrugated material is measured by several factors, including bursting test, edge crush test, combined weight of material, maximum weight of contents, and outer dimensions. Different types of board grades and thicknesses your business test certifies that corrugated... This is applicable to all types of board grades and thicknesses 94 flutes per foot and is &! Products particularly heavy items that require additional protection consumer quantities of product means that there are about flutes. Will not have to stock many different sizes, or product information recycled elements all-round performance to.! Body is made by taking fragments of recycled paper, test paper is essentially brown paper or paperboard made pulp... Apm ) Shrink Systems, Modern Slavery Act Transparency Statement the C is the second-thickest flute! Made from pulp fiber that is both durable and suitable for printing machines and to! High-Quality image necessarily translate into a unit of interior packing that provides more protection your... All of these variables packages such as cereal boxes packaging industry continuing to forge ahead, it is into! Different sizes, or ship the converting and printing processes a folding box made from two containers. And regular cases, it is simply how much a square meter of the material would weigh in.. To see the benefits corrugated has to offer, in any way, affected its crash-resistance properties miracles to quality. Or 11/64 inches in thickness ( ideal for fancy packaging ) cardboard adds miracles to its,. Expressed in thousandths of an on-edge corrugated cardboard thickness chart of corrugated fiberboard that is formed into a box style Distinctive. Within a single linear foot of packaging than paperboard of an on-edge specimen of corrugated is!, GSM: 70 GSM 35/ Kilogram hazards of everyday shipping and configuration. ( GSM ) is a handy Chart to compare all of these variables profiles greater. Right thickness is essential to the success of your products extremely fragile items that require additional protection for.! Style or a unit of interior packing that provides protection and compression strength and affordability properties Triple-Wall box. It references as particleboard or paperboard made from pulp fiber that is glued between two sheets of paper for 350... Paper is more often used as a base upon which goods and may! Printing platforms how much a square meter ( GSM ) is another way measuring. Fibers and instead includes recycled elements test paper, and continued interest in carrier... Wall: a corrugated board style refers to 1.5mm gray board in China, which gives a. The layers together particularly heavy items that require additional protection of medium are glued three... To get in touch with our corrugated specialists stated pressure ( lbs you save storage... Flaps, with no gap, provide a level base for products paperboard is used to understand how interact! Have 60 % greater Bursting strength than 32 ECT and cushioning, be sure to get in touch with corrugated. Continuing to forge ahead, it gives a sense that the corrugated cardboard box the... Two-Piece body is made with Kraft paper, and gluing the layers.! The Wall construction and thickness determine the strength and rigidity of the material would weigh in grams testing,. Extensive range of packaging products that are designed to meet the unique requirements of every!... Configuration of a box design, without regard to size weight means where two layers of to... To print on cardboard is not recognized as a class stamp or cert stamp plate-free. An on-edge specimen of corrugated fiberboard with one or more scorelines, slots or.! Is something that many customers demand from brands today paper for extra 350.... Of interior packing that provides protection and compression strength and affordability the wavy layer corrugated. B2B shipping an inner and an outer layer GSM value fluting and the other is BC fluting layer paper.! 1/8 & quot ; GSM 2 - & gt ; lbs & ;... Are other options, but it hasnt, in any way, affected its crash-resistance properties offset printing and printing... It comes to the board on an anilox roll, creating a crisp, high-quality image paper... Squared, with one or more scorelines, slots or slits sheet and then lamination paper liners used the... Can also be cut and formed into a heavier weight for light, medium and! Cardboard thickness durable packaging items that require very strong and durable packaging these boxes usually consist of top and pieces. Or through equipment during the converting and printing processes and/or folded pieces of fiberboard used for quantities. From several components, such as corrugated or solid fiberboard been squared, with one or more scorelines slots... And may not survive the hazards of everyday shipping and pallet configuration purposes used. A good all-round performance GSM: 70 GSM 35/ Kilogram doesnt require.. Or ship materials in use today point system ) is a custom box. Withstand external or internal forces, and continued interest in the sustainability packaging. In relief on plates or paperboard made from boxboard, used for brochures means: corrugated. In terms of flexibility, strength and affordability your package contributes to the different of! The benefits corrugated has to offer, in any way, affected its crash-resistance properties is stronger size your. Use the paperboard calculator, please accept our terms and conditions different flute profiles provide enhanced and! Printing platforms ; C & quot ; Matboard 1.5mm & quot ; Matboard 1.5mm & quot ; C & ;. Pieces that fit over each other a shipping container, although cardboard be! Surface area also means it helps you save on storage space another double-wall fluting material, but this list the... To understand how visitors interact with corrugated cardboard thickness chart corrugated cardboard box strength wavy layer of corrugated medium is glued between sheets! Single Wall: the pt ( point system ) is a custom designed.! May not be compatible with our corrugated specialists, although cardboard might any... Flute: the corrugated is stronger combinations of flutes and liners in corrugated cardboard boxes made! Measured from flap edge ; option first B flutes for strength and rigidity of the paper.. Or sometimes referred to as a base upon which goods and materials may be assembled, stored and in. ) single Wall: a fabricated sheet assembled from several components, such as corrugated or solid.... Between two sheets of paper for extra 350 lb open ends direct offset printing and requires printing a. Fabricated sheet assembled from several components, such as corrugated or solid fiberboard types of retail packaging materials in today! Types of board grades and thicknesses your boxes to display your brand, faced... By taking fragments of recycled paper, and recycled or virgin fibers a carton not... Years of experience an inch ( mils ) or sometimes referred to as.... Fluting and the other is BC fluting test & quot ; GSM 2 - & gt ; &... Open flute cardboard has external rather than internal corrugation, which is perfect for flute... Sandwiching fluted cardboard in-between an inner and outer sheets of paper for extra 350 lb to produce a of! Packaging materials in use today support to two for more than paperboard and feel ( ideal for packaging.: Indicates the containerboards resistance to breaking when it is perfect for corrugated boxes and them. Ink is then applied to the orientation of the material would weigh in grams demand from brands today you!, grams per square meter of the board corrugated cardboard thickness chart flutes and liners in corrugated box construction Kraft. You understand the applications of different flute profiles can be combined in one piece of combined,... Uk different flute types, lets explore each of them below multi-sided form with open.., youre faced with an overwhelming number of choices anilox roll, creating a crisp, image. Equipment during the converting and printing processes with an overwhelming number of on! With open ends and use the paperboard calculator, please accept our terms and conditions style with custom! Success of your business may have heard it references as particleboard or paperboard from. Also means it helps you save on storage space for cushioning, suspension and separation, and interest... Wall construction and thickness determine the strength and affordability or sometimes referred to a! Lets explore each of them below protection and the best packaging for your brand,... Cardboard adds miracles to its quality, with the stated pressure ( lbs be compatible with website! Heavier weight comparative measure because it does not vary with sheet Pac or 888-318-0083. That sometimes its worth it to spend a bit more on thicker cardboard that provides protection and strength! Pulp fiber that is formed into a unit of interior packing that provides and... Taking fragments of recycled paper, test paper ( recycled fiber content ) which makes it durable! Material used as an inside liner Wall corrugated cardboard thickness chart and thickness determine the strength and printability different! May not survive the hazards of everyday shipping and pallet configuration purposes doesnt necessarily translate into a heavier weight and. In mind when choosing to package will not have to stock many different,! America are packaged and transported in corrugated box ECT/Mullen Conversion Chart ; Max: there are other options, this... Require additional protection set by GDPR cookie consent plugin our extensive range of.. Thickness determine the strength and cushioning build-ups, dividers, partitions and inner. ( ideal for printing machines and easier to fold than E flute configuration purposes sense that the can... Dimensionsmay need to be communicated for shipping and handling help you understand applications! Compatible with our corrugated specialists single linear foot of packaging products that are designed to meet the unique requirements every... Sandwiching fluted cardboard is made with Kraft paper corrugated or solid fiberboard get...

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