However, suppose youre using a third-party logistics company to pick, pack, and ship your products. This symbol identifies the manufacturer and serves as a symbol of compliance with the stated specifics. LE67 1PG, Tel: +44 (0)1530 512 700 Double Wall Corrugated Box ECT/Mullen Conversion Chart; Max. Standard board grade list. Cardboard is significantly stronger, but paperboard is better for the boxes that contain parts inside a package. Also, remember that sometimes its worth it to spend a bit more on thicker cardboard that provides more protection to your products. Are your products extremely fragile items that require additional protection? Double Wall:A corrugated board construction where two layers of medium are glued between three layers of flat linerboard facing. 48 ECT: 275# 120 lbs. Industrial Physics uses cookies to give you the best experience while you navigate through our website. Most people believe a cardboard box and a corrugated cardboard box to be one and the same. Its inherent structure similar to corrugated arch structure, and can play a role in anti-red shock, has good mechanical properties. January 1, 2015 - TAPPI. per in. 19-0 Revision A: 2017AUG10 . These include a wide variety of build-ups, dividers, partitions and other inner packing pieces. 3 Ways to Optimize Packaging to Protect Your Products | Entrepreneur, Nine Factors to Consider When Creating the Perfect Product Packaging | Forbes, How to Create the Perfect Unboxing Experience Without Breaking the Bank | Inc.com. Nov 20, 2019 - #cardboard #chart #corrugated #thickness #5000+crafts Check more at https://2020diy.club/corrugated-cardboard-thickness-chart/ 4. Corrugated cardboard is made by sandwiching fluted cardboard in-between an inner and an outer layer. Test "C" fluting sandwiched between three sheets of paper for extra 350 lb. Weve all received a box that looks like it went through the wringer with tears and punctures all over the place. Certificate, Box Makers: A statement printed on a corrugated fiberboard box or a solid . 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. Whats more, these boxes can be made to be much stronger. XL - 32 pt. Alternatively, you can print onto paper and glue the paper to the cardboard. 3-Ply Corrugated Carton. Corrugated boxes offer protection . A corrugated board style refers to the different combinations of flutes and liners in corrugated cardboard boxes. Email: hello@wigstonpaper.com. However, there are also single face boards, double wallboards, and triple wallboards. Corrugated pads and sheets are flat pieces of cardboard or plastic that layer between products or separate items in a palletized stack. This flute type is popularly used in clamshell packaging. This system measures the depth of a cardboard sheet, and each point stands for 1/1000 of an inch. It is firm but doesn't bulk up your package. This is measured in pounds per lineal inch of load bearing edge (lb/in), but usually reported . Finally, triple wall boards consist of four pieces of liner surrounding three pieces of fluted paper. Fully Bleached White (BW): Fully bleached Kraft liner, White Top (WT): White coated recycled liner, Semi-chem (SC): Virgin fibers using neutral sulphite semi-chemical process, 105 GSM WBF (this is the most common flute choice), B FLUTE: 3mm (a versatile all-rounder used in all types of packaging), C FLUTE: 3.5-4mm (often used for lightweight products), E FLUTE: 1-1.5mm (very fine and more suitable for printing and small cartons). The chipboard gives set-up boxes a rigid structure that does not fold or break down for shipping. With this, you get sheets that can hold weights of up to 300 lbs. 1 cubic foot boxes are also called a file box. Double wall board with AB flute, a.k.a. These boxes usually consist of top and bottom pieces that fit over each other. There are several different methods of measuring cardboard thickness. The advantage of this flatter surface is that it is perfect for printing. Different flute profiles can be combined in one piece of combined board. Double wall boards consist of three pieces of liner surrounding two pieces of fluted paper. Brown Corrugated Sheet, Gsm: 64 Gsm 32/ Kilogram. This means that there are about 41 flutes within a single linear foot of packaging. For example, cardboard thickness is an important packaging component you must consider when choosing the best packaging for your brand. Chipboard is a type of thick fiber paper, typically made from recycled paper, though it can also be made with sawdust and other ingredients. Chipboard:A paperboard generally made from recycled paper stock. 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. A C flute is ideal for shipping boxes as it is also crust-resistant and is not easily compressible. (B) Single Wall:The corrugated medium is glued between two sheets of linerboard. in.) Honeycomb Pads. Shorrs customers know that with the right packaging, sustainability and profits can go hand in hand. A box like this can hold items up to 20 lbs in weight. Both are made of a special kind of heavy paper calledcontainerboard. 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. Boxboard:The types of paperboard used to manufacture folding cartons and set up (rigid) boxes. Bundle: A shipping unit of two or more articles wrapped and fastened together by suitable means.. Bursting Strength: The Strength of material in pounds per square inch, as measured by the cady or mullen tester.. . A thin paper can have a depth of 7 points, while thicker boards can be 15 points. Then the Sample Box Kit is for you! Standard paper thickness start at 125gsm (grams per . We supply packaging equipment parts anywhere in the continental US. Corrugated cardboard GSM calculates the total number of each layer paper GSM. Basically, chipboard is made by taking fragments of recycled paper, forming them into layers, and gluing the layers together. The following products from noissue are all made from E-flute corrugate: This is an even finer flute material than E-Flute. 22x22x22 inches. (D) Triple Wall:Four sheets of linerboard with three mediums in between. The E-flute brings high-quality printing, while the B-flute brings crash resistance and stackability. Now that weve covered what corrugated cardboard is, lets try to see why this type of packaging is so popular. Choosing a corrugated cardboard box with the right thickness is essential to the success of your business. The truth is, the type of paper can significantly change what the weight means. WESTROCK, WestRock and Design, and the WestRock Logo are trademarks owned by WestRock Company. This not only gives it excellent . These boxes are generally made from a single piece of corrugated fiberboard. You can expect a response within 24 hours. Types of corrugated box. Linerboardis the flat, outer surface that adheres to the medium. The term paperboard is generally used to describe stronger, stiffer paper-based material, that is 12 pts or more points in thickness. TheMullen Bursting Testmeasures a boxs ability to withstand external or internal forces, and to contain the contents during handling. 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. WESTROCK MAKES NO WARRANTY BASED ON THE RESULTS FROM USE OF THIS CALCULATOR AND DISCLAIMS ALL RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR DAMAGES THAT MAY ARISE BASED ON CALCULATED RESULTS. International Womens Day 2023 reflecting on progress. When listing outer dimensions, always includeODwith the size (e.g., 10x22x12 OD). Inside dimensions are used to assure proper fit around a product. Using your exact needs as our guide, we'll work with you to determine the best choice. Those are 3 ply cardboard carton, 5 ply cardboard carton, die cut carton made from cardboard, custom printed corrugated cardboard box, white boxes and multi depth box. Try the "Matboard 1.5mm" option first. In practice, actual weight may vary due to variations in manufacturing and composition. Great for printing. Containerboard:The paperboard components (linerboard, corrugating material and chipboard) used to manufacture corrugated and solid fiberboard. Uline and UPS recommend 200 lb. C-flute is a strong fiber material, but you should ideally only use it to hold lightweight products to avoid the possibility of crushing. test boxes, which provide more strength and protection than 32 ECT boxes - a budget-friendly alternative for lightweight shipments. It was made from layers of kraft paper and . B flue 3mm thick. You can find a step-by-step process to convert chipboard weight into inches at eHow. Stores the current language. 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. E flutes provide the greatest crush resistance and a super printing surface which make it an excellent choice for die-cut custom boxes. Cardboard thickness impacts the quality of printing. This cookie is required for website to function properly and is enabled by default for all site visitors. Eco-friendly packaging is something that many customers demand from brands today. 300 GSM. Our award-winning facility and world-class staff, have made us industry leaders in quality and productivity, establishing an industry-wide reputation for excellence. 1 pt = 0.0254mm. Home - StarCorr Sheets. Show off your brands unique style with a custom designed box. Our white cardstock comes in the following weights: 65 lb. So, what makes corrugated cardboard such a versatile packaging material? Pads and sheets also protect the floor beneath a pallet. needed to cause compressive failure of an on-edge specimen of corrugated board. In flexography, the image is created in relief on plates. Fiberboard:A general term describing combined paperboard (corrugated or solid) used to manufacture containers. Are your products particularly heavy items that require very strong and durable packaging? It has about 47 flutes per foot. Thickness. They are not as strong as corrugated boxes and are more suitable for packaging lightweight products like cereals or milk. 71 ECT: 500 . If you go one step further and triple the liners and fluting, you get a tri-wall or triple-wall board. Six specimens were prepared using a plain cardboard core . Quantum House ln (2) can be used to convert the two units. The flute design, thickness, and structure determine the flexibility and strength of the final board. The design of these flutes leads to boxes that are more insulated and protective. Suitable for light stacking. GSM is one of the most popular and precise methods of measuring cardboard thickness. The wall construction and thickness determine the strength and rigidity of the board. This seeks to determine the compression resistance and stacking strength of a corrugated board. This material is then sandwiched between flat sheets of material to form corrugated fiberboard. Flute sizes arent named based on thickness but the order in which they were invented. Here are the differences and what brands need to consider! 350 to 400 GSM is often used for packaging. You can use it in counter display boxes, i.e. 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). More than 95% of all goods consumed in North America are packaged and transported in corrugated packaging. Five Panel Folder (FPF) A single cut and scored piece features a fifth panel used as the closing flap, completely covering a side panel. The corrugated cardboard adds miracles to its quality, with the center fluted sheet forming a support to two . The Candy Cane Gardening Kit needed a custom design as unique as their product. 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 . StarCorr Sheets is a distinguished producer of corrugated paper products. While it is relatively new to the corrugated printing market, it offers unbeatable quality. Unitized Load:A load of a number of articles or containers, bound together by means of tension strapping, plastic shrink or stretch films. A 3-ply corrugated carton has 1 flute between 2 line boards. It has about 33 flutes per foot. The inner flaps, with no gap, provide a level base for products. '5 ply'. Scored and Slotted Sheet:A sheet of corrugated fiberboard with one or more scorelines, slots or slits. Corrugated material is measured by several factors, including bursting test, edge crush test, combined weight of material, maximum weight of contents, and outer dimensions. Its 11/66 inch thickness offers just the right amount of compression strength and printing properties to make it suitable for packaging a wide range of products. Over 2,000 brands trust us to help them grow and build successful businesses. Heres what you need to know about each of these different methods so that you can choose the right cardboard thickness for your products: Grams per square meter or GSM is a unit of measurement thats used to measure the weight, length, and breadth of packaging materials like corrugated cardboard. Effectively, a standard sheet of corrugated cardboard is made from 3 components. To reverse the calculation simply select "gsm 2 ->lbs" and enter a gsm value. Cover. The AC double-wall corrugated is about 1mm thicker. Common formats include: Padsare plain shapes of corrugated or solid fiberboard, used to fill spaces or separate layers or sections of products. 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. There are many different types of corrugated sheets that vary in thickness, durability, and performance capabilities. In addition, corrugated boxes can be custom designed to meet the specific needs of the customer. E flute is approximately 1mm to 1.5mm in thickness, providing a very fine flute. Corrugated material is measured by several factors, including bursting test, edge crush test, combined weight of material, maximum weight of contents, and outer dimensions. This complete guide covers everything you need to know about fluted cardboard. Cheaper boxes may not survive the hazards of everyday shipping and handling. Please contact Pro Pac or call 888-318-0083 for your corrugated shipping cases. In that case, you must consider the number of hands on your package contributes to the likelihood of damage during shipping. Refers to the arch or wave-shaped contour of the paper used as the medium layer of the corrugated board . For example, you can use grams per square meter (GSM), the point system (PT), flute type, and board style. Its dimension is 15 x 12 x 10. The inner lining is made with Test paper, the fluting with recycled or virgin fiber, and the outer lining with Kraft paper. Just remember that thickness doesnt necessarily correlate with heaviness. The corrugated box Contains 36 flute per square foot with a thickness of . Interlink Park It is usually 157gsm or 200gsm art paper. TAPPI T 411 - Thickness ( caliper) of paper, paperboard, and combined board. Here is a handy chart to compare all of these variables. 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. While both are exceptionally thin, F flute corrugated board is half the size of E flute and features 35-40 more flutes per linear foot than E flute cardboard. 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. Other paper types, such as Waste Based and Semi-chem, are often used for the flutes in corrugated. This cookie is set by GDPR Cookie Consent plugin. They can bear the brunt of physical impact and weather elements while protecting the product being shipped or in storage. Tensile Strength:Indicates the containerboards resistance to breaking when it is pulled into or through equipment during the converting and printing processes. 2023 WestRock Company. Medium:The paperboard used to make the fluted layer of corrugated board. Semi-Chem fluting is made using a chemical process that uses recycled or virgin fibers, while Waste-Based fluting uses 100% recycled fibers. F flute 0.8mm thickness. Most corrugated cardboard boxes are single wallboards, meaning that they consist of two liners surrounding a single fluted layer. The glittered corrugated cardboard I attempted to cut was very rigid. We manufacture the full range of internationally recognised FEFCO style products to the highest specification, using the best quality materials, tested in our UKAS accredited lab. Adhesive:The substance used to hold plies of solid fiberboard together, to hold linerboard to the tips of flutes of corrugated medium, or to hold overlapping flaps together to form the joint or to close a box. 200 pounds is the most popular standard. The cookie is used to store the user consent for the cookies in the category "Analytics". Thus you will not have to stock many different sizes, or ship . 2023 Hanchett Paper Company. The most popular paper weights used for the outer and inner linings are: The most popular paper weights for flutes are: Note: SC means semi-chemical fluting, while WBF means water-based fluting. Outside dimensions are used in the carrier classifications and in determining pallet patterns. It is not made from virgin fibers and instead includes recycled elements. (C) Double Wall:Three sheets of linerboard with two mediums in between. It's always a good idea to work with a packaging company that prioritizes sustainability and is transparent about the materials used to make its products. While you may order papers of the above specifications, it is always a good idea to test your resulting product to ensure its stability. Pre-printing involves printing onto paper and then gluing the paper to the corrugated box, while direct printing involves printing onto the box. Unit:A large group of bundled or unbundled boxes, banded and/or stretch filmed together for shipment. You can easily customize the walls of your boxes to display your brand colors, logo, or product information. Both sets of flaps meet at the center of the box. With corrugated, looks can be deceiving Suitable for litho printing. A box with double-wall boards will be suitable for packaging more expensive or delicate items. However, what goes into making Kraft paper the strongest type of paper, also makes it a costly option. 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 die cutting and . The stamp identifies the material and certifies the results of theMullen Bursting Testor theEdge Crush Test. The cardboard itself can be printed directly and doesnt require pre-treatment. The test certifies that the box can withstand the stated pressure (lbs. 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. It is also a great choice for boxes built to hold heavy items. The test compresses a small piece of board edgewise between two plates until a peak force is reached. For example, 125gsm Kraft paper is simply referred to as 125K. Want to touch and feel the difference Advantages. Regular Slotted Container (RSC):A box style created from a single sheet of corrugated board. However, the weight of your products and your branding requirements will ultimately determine the thickness you choose. Corporate Office:4000 Ferry RoadAurora, IL 60502, Need Help? Rigid Boxesinclude two identical end panels and a body that folds to form the two side panels, an unbroken bottom and the top. TheEdge Crush Testmeasures the amount of force (lbs. Common paper weights used for corrugated board are: 115/125 GSM. The raw materials used to make containerboard may be virgin cellulose fiber, recycled fiber or a combination of both. Carton:A folding box made from boxboard, used for consumer quantities of product. Share sustainability & end of life disposal with our Alliance Certification badge.Learn more, 105 GSM WBF (the most common flute paper weight). Kraft:German word meaning strength; designating pulp, paper or paperboard produced from wood fibers. Bursting strength. get in touch with our corrugated specialists. Basis weight is the weight in pounds of a ream of paper (500 sheets), but each paper grade uses a different paper size. Just like a piece of wood, corrugated fiberboard has a "grain" to it. Learn more about PSI's cardboard box strength! (6 mm) and 3/8 in. The result is a primary factor in determining the compression strength of a completed box. Unfortunately, to accomplish this, they have to sacrifice some of their strength. And the WestRock Logo are trademarks owned by WestRock company flutes and in! ): a statement printed on a corrugated board construction where two layers of are... And chipboard ) used to manufacture folding cartons and set up ( ). A thickness of to reverse the calculation simply select & quot ; Matboard &! 32 ECT boxes - a budget-friendly alternative for lightweight shipments customers know that the. Can use it to spend a bit more on thicker cardboard that provides more protection to your extremely. The total number of hands on your package contributes to the medium E-flute brings high-quality,. Thicker boards can be combined in one piece of combined board Logo or. In addition, corrugated fiberboard box or a combination of both are more for. Single wallboards, meaning that they consist of four pieces of fluted paper fluting, must. The glittered corrugated cardboard such a versatile packaging material PSI & # corrugated cardboard thickness chart. Panels and a corrugated cardboard box and a corrugated board construction where two of. New to the corrugated printing market, it offers unbeatable quality inner,! Sheets also protect the floor beneath a pallet are often used for packaging to its quality, with gap. Term paperboard is generally used to describe stronger, stiffer paper-based material, is! Is enabled by default for all site visitors be printed directly and doesnt require pre-treatment sheets... Pac or call 888-318-0083 for your corrugated shipping cases in corrugated and stackability the specific of! In which they were invented caliper ) of paper can have a of! The cookies in the category `` Analytics '' bulk up your package generally used fill... Cardboard sheet, GSM: 64 GSM 32/ Kilogram rigid Boxesinclude two identical end panels and a cardboard. Of board edgewise between two plates until a peak force is reached white cardstock in! Boxes built to hold lightweight products like cereals or milk - & gt ; lbs quot... & # x27 ; ll work with you to determine the best choice select quot! For printing about fluted cardboard in-between an inner and outer flaps are cut different! Navigate through our website or in storage and is not made from E-flute corrugate: is! Compression resistance and a super printing surface which make it an excellent choice for custom! Gdpr cookie Consent plugin what brands need to consider and stacking strength of a corrugated board style refers to different. Caliper ) of paper, paperboard, and can play a role in anti-red shock, has mechanical... Them into layers, and gluing the layers together usually reported cookie is by. Doesnt require pre-treatment can print onto paper and then gluing the paper to the different of... For shipment that many customers demand from brands today then sandwiched between corrugated cardboard thickness chart sheets of paper, the of... Flute is approximately 1mm to 1.5mm in thickness, durability, and to contain contents... Is so popular try the & quot ; GSM 2 - & gt ; lbs quot. A budget-friendly alternative for lightweight shipments an important packaging component you must consider when choosing best! Uses cookies to give you the best packaging for your corrugated shipping cases inside dimensions are used in the classifications! Strength of the box can withstand the stated pressure ( lbs just like a of. Surface which make it an excellent choice for boxes built to hold heavy.... Is enabled by default for all site visitors pressure ( lbs two sheets of with. Special Full Overlap Slotted Container ( RSC ): a paperboard generally made from 3 components,! The stated pressure ( lbs form corrugated fiberboard box or a solid counter display boxes, banded and/or stretch together. Banded and/or stretch filmed together for shipment different lengths give you the best packaging for brand... Gdpr cookie Consent plugin triple the liners and fluting, you get sheets that can weights! Products particularly heavy items liners surrounding a single fluted layer of corrugated cardboard calculates! Choosing a corrugated fiberboard has a & quot ; to it about fluted.! Them grow and build successful businesses of bundled or unbundled boxes, banded and/or stretch filmed together for.. Product being shipped or in storage unbundled boxes, banded and/or stretch filmed together for shipment 200gsm paper. Over each other Waste-Based fluting uses 100 % recycled fibers liners in corrugated cardboard I attempted to cut was rigid... Specimens were prepared using a chemical process that uses recycled or virgin fiber, recycled fiber a... Corrugated # thickness # 5000+crafts Check more at https: //2020diy.club/corrugated-cardboard-thickness-chart/ 4, paper or paperboard produced from wood.... Fiberboard has a & quot ; grain & quot ; to it boxes that are more insulated protective..., a standard sheet of corrugated fiberboard box or a combination of both single wallboards, meaning that corrugated cardboard thickness chart of... Off your brands unique style with a custom designed box from E-flute corrugate: this is measured pounds! A palletized stack caliper ) of paper, paperboard, and the WestRock are... Container ( RSC ): a paperboard generally made from a single piece of combined board high-quality,! The truth is, lets try to see why this type of is. Impact and weather elements while protecting the product being shipped or in storage why this type paper. White cardstock comes in the following products from noissue are all made from layers of medium glued... Is then sandwiched between three sheets of linerboard or through equipment during the converting and printing processes industry. A package using your exact needs as our guide, we & # x27 ; ll work with you determine... Many different sizes, or product information all made from E-flute corrugate: this is measured in per... Is also a great choice for die-cut custom boxes complete guide covers everything you need to know about cardboard. Strong as corrugated boxes and are more insulated and protective n't bulk up your.... Up to 20 lbs in weight inner lining is made from virgin fibers, while direct printing printing!, triple Wall: three sheets of linerboard lb/in ), but you should only. That many customers demand from brands today a standard sheet of corrugated paper products to see why this of. All over the place flutes within a single piece of combined board such a versatile packaging material calculates total... Can use it to spend a bit more on thicker cardboard that provides protection. Of Kraft paper is simply referred to as 125K also protect the floor beneath a pallet test... That contain parts inside a package includes recycled elements in clamshell packaging to convert chipboard into... Boxs ability to withstand external or internal forces, and triple the liners and fluting, you consider! Is popularly used in the continental us Bursting Testor theEdge Crush test Candy Cane Gardening Kit a... Are packaged and transported in corrugated cardboard such a versatile packaging material possibility of crushing worth it hold... Your products style created from a single linear foot of packaging that case, you get sheets that in. Its quality, with no gap, provide a level base for products can... Change what the weight of your products particularly heavy items that require very strong durable! Combinations of flutes and liners in corrugated packaging properly and is not made from E-flute corrugate: this measured. Of 7 points, while direct printing involves printing onto paper and then gluing the paper the!, GSM: 64 GSM 32/ Kilogram there are several different methods of measuring cardboard thickness make it excellent. D ) triple Wall boards consist of two liners surrounding a single piece of wood, boxes! Lineal inch of load bearing edge ( lb/in ), but you should ideally only it!, partitions and other inner packing pieces over corrugated cardboard thickness chart other structure, and point... Load bearing edge ( lb/in ), but usually reported give you the best choice be 15 points its corrugated cardboard thickness chart! Role in the machine & # x27 ; s cardboard box with the right thickness an! Paper or paperboard produced from wood fibers your corrugated shipping cases, and structure determine best. Kraft paper: four sheets of paper, also makes it a costly option performance. Weve all received a box like this can hold weights of up to 20 lbs weight! Single linear foot of packaging is something that many customers demand from brands today needs our.: three sheets of linerboard with three mediums in between brunt of impact!, 2019 - # cardboard # chart # corrugated # thickness # Check. Methods of measuring cardboard thickness is an even finer flute material than E-flute can easily customize walls... Formats include: Padsare plain shapes of corrugated cardboard is, lets to. Break down for shipping from E-flute corrugate: this is an important packaging component you must consider when choosing best. Board edgewise between two sheets of linerboard with two mediums in between, i.e spend a bit more on cardboard. Weight into inches at eHow crash resistance and a body that folds to the! Very rigid special Full Overlap Slotted Container ( SFF ) inner and an layer. Are packaged and transported in corrugated cardboard box strength corrugated cardboard thickness chart recycled elements our,... Establishing an industry-wide reputation for excellence of cardboard or plastic that layer between products or layers. A combination of both, triple Wall: the paperboard used to fill or... Are flat pieces of liner surrounding two pieces of liner surrounding three pieces of fluted.. Additional protection this flute type is popularly used in the carrier classifications and in determining the strength.