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To better understand the factors that impact box strength, check out our detailed Guide to Shipping Boxes . Maximum recommended weights depend on rating of the corrugated material (see chart below). Owing to their . BOX STRENGTH GUIDELINES: (Maximum weight per box) FIBER BOX HANDBOOK: UPS GUIDELINES: 32 ECT Single Wall: 65 lbs: 30 lbs: 200# Single Wall: 65 lbs: 40 lbs: 275# Single Wall: 95 lbs: This method offers the options to use litho and rotogravure printing and offers a more durable outer linerboard than the standard corrugated box linerboard, which provides more strength than any paperboard folding carton could offer. BOX STRENGTH GUIDELINES: (Maximum weight per box) FIBER BOX HANDBOOK: UPS GUIDELINES: 32 ECT Single Wall: 65 lbs: 30 lbs: 200# Single Wall: 65 lbs: 40 lbs: 275# Single Wall: 95 lbs: Use to pack, ship and store products. 175# 29 ECT 50 lbs. Learn more here. . Guidelines for proper handling and storage of empty boxes, developed by the Fibre Box Association and the Packaging Machinery Manufacturers Institute, have been summarized and presented below. 200# 32 ECT 65 lbs. The European Federation of Corrugated Board Manufacturers (FEFCO), which represents the corrugated packaging industry across Europe, has today released its Corrugated Packaging Recyclability Guidelines aimed at optimizing recyclability via design parameters for paper and board packaging.. Aside from the use of specially produced liners, each battery shipping container has to be clearly marked regarding the contents with appropriate safety guidelines. Owing to their strength and durability, these boxes are extensively used for storing and moving fragile as well as heavy cargo. Here is an image of a corrugated box used as primary retail packaging. Rated 0 out of 5. A box that is too weak may be crushed under the weight of other packages or burst at the seams or sidewalls, resulting in loss or damage to its contents. Use double-wall boxes for heavier items. A-Flute - This is the original fluting for corrugated boxes. A corrugated box, on the other hand, is all about strength. 9 Corrugated Box Testing Methods to Ensure Packaging Quality #1- Bursting Strength Test. Burst Test results are given in pounds per square inch. UPS Guidelines. Properclosureisjustasimportant asadequatecushioning. Following these simple guidelines will maximize the performance and prolong the useful life of your corrugated boxes: Looking at the opening, the longer of the two sides is considered the "length." The shorter of the two sides is the "width." The side perpendicular to the length and width is the "depth" of the box. It's the responsible choice that pays off. It provides the design metric of keeping plastic content to 5% of pack weight as a maximum, with a 3% weight content being the preferred amount. of box and contents. We offer wide range of Corrugated Box that are usually used for heavy duty packaging. Apparently, this is the correct way; the thickness will perform directly proportionate to the strength. Corrugated boxes are made up of a liner and a medium. Width: 0.75" - 20". Mullen. . Box Performance. Order by 6 pm for same day shipping. Corrugated Pads. Here, we provide high-level guidance for anyone deciding if they should use 23ECTB, 32ECTC, 32ECTE, or 44ECTC sheets for their custom corrugated shipping box. Single-wall corrugated boxes can carry weights from 23 ECT to up to 55 ECT. The basis weight of the paper as measured in lbs/1000 sq. Easy to set up, load and close. Box strength is a surprisingly complicated and nuanced characteristic! The 200# test box is rated to hold up to 65 lbs. inch/kg per sq. Laminating Paperboard onto Single-Face Corrugated. Handling of Corrugated Boxes: Because the "flute" in corrugated packaging provid 12 x 9 x 4" Corrugated Boxes. 2. Corrugated Pads (sheets) can be used for many different reasons. ECT is a measure of the edgewise compressive strength of corrugated board. Every detail can be tailored exactly to your needs, from a variety of lengths, widths, and depths for the interior dimensions to the printed sections of your design. The graphics look great. . There are basic guidelines for the handling and storage of corrugated boxes and packaging. "A" flute was the original corrugated flute and is the thickest flute profile you can use. See Box Strength Guidelines. The machine should offer the value of bursting factor in kg/cm 2. The stacking strength must accommodate a safety factor of 3 for corrugated containers or 2 for rigid containers (wood, steel, plastic, etc. Nelson Container can design custom, single wall corrugated boxes for virtually anything you need to ship, with whatever flute profile you require. Corrugated Board Strength Equivalencies: Double Wall Corrugated Enlarge & Video 200 LB. 2. (MH1, 2016) . One of the most popular methods to test the stacking strength of corrugated boxes is the Edge. With global certifications like SMETA (Sedex), RCS, FSC (FSC-C043123), Green Factory Gold Certification (in progress), Oeko -Tex 100, ISO 9001:2015 . Internationally, the dimensions are stated as Length (L) x Breadth (B) x Height (H). An A flute is roughly 5mm thick, and is an excellent . More Images & Video 200 LB. . All Molded Pulp or Die-Cut Corrugated inner components must fit snugly inside an appropriate size outer corrugated box with all closure flaps sealed securely top and bottom with pressure sensitive tape. Board strength will vary depending on the various board and medium combinations. Custom printed corrugated boxes made from 200lb corrugated paper have almost a 60% greater bursting strength than those same custom printed corrugated boxes made from 32 ECT corrugated paper. A property of corrugated is flat-crush resistance; even so, that property should not be exceeded by superimposed weights. The Mullen Test or Bursting Strength Test checks the toughness of the walls of the. Smaller flutes offer better graphics printing capabilities. For boxes of all sizes, calculating the weight that can be held by the corrugation is done by something called the edge-crush test (ECT). Never exceed the maximum gross weight limit for the box, which is printed on the Box Maker's Certificate on the bottom flap of most boxes. Corrugated boxes are made from a special paperboard, which is called corrugated paperboard. The methods are compared herein with a basic and more detailed buckling description with the successful McKee formula, which is over fifty . Moisture Resistant Adhesives (MRA) of 0.5%-1.0% liquid resin (assuming 50% solids content) shall be used in the converting process for boxes manufactured in Europe, North America, and Australia. Burst strength is the measurement of the tearing and tensile strength as well as the resistance of a material to burst, expressed in pounds per inch. Box Strength Guidelines SINGLE-WALLCORRUGATEDCONTAINERS D OUB L E-W AC RG T NI S. Step-by-Step (continued) Packaging Guidelines 2.Measureandaddtogetherthelength, . For example, the difference between a 200# test box and a 275# test box is that the latter has more pulp fibers in its corrugated linerboard. place the material in a new corrugated box or use a box-in-a-box of the proper size and strength for the weight of product being shipped. Corrugated is cost-effective and reliable, while attracting eco-conscious customers who prefer to choose sustainably packaged products. It is measured by compressing a small segment of board on edge between two rigid platens or plates perpendicular to the direction of the flutes until a peak load is established. Box strength is measured in two different ways. EcoEnclose offers five different corrugated sheet options: 23ECT B Flute, 32ECT B Flute, 32ECT C Flute, 32ECT E Flute, and 44ECT C Flute. 350# 55 ECT 120 lbs. The higher the basis weight, the greater the bursting strength (tensile strength). . A Mullen-tested box rated at 200# can withstand 200 pounds per square inch of force applied directly to the linerboard on the face of the carton. The Mullen Test measures the bursting strength of corrugated boxes. One of the important functions of a corrugated box is to provide crush resistance (product protection) and adequate strength for stacking in warehouses. Therefore, the ANSI MH1 standard provides guidelines on the maximum amount of pallet bending that is acceptable for pallets that are intended to be used in automated warehouses. RXC Specifications for Corrugated Paperboard (Oct. 2015) Burst Strength The corrugated paperboard shall be tested for burst strength using TAPPI T-810 and meet the following specification: B-Flute: 170 psi E-Flute: 150 psi. #2 - Edge Crush Test. Understanding Corrugated Flutes At a Glance Corrugated material is available in different wall thicknesses, known as flutes sizes A-Flute is 1/4 inch thick, greatest cushioning for fragile products C-Flute 3/16 inch thick, commonly used for shipping cases B-Flute is 1/8 inch thick, flatter surface for higher quality printing and die cutting Mullen Burst Test standards dictate a minimum board weight for the corrugated material. and brands and corrugated companies specify and design packaging that can be reprocessed in high volume paper mills with current "standard" pulping technology.1 They are not intended for use by the public. BOX STRENGTH GUIDELINES: (Maximum weight per box) FIBER BOX HANDBOOK: UPS GUIDELINES: 32 ECT Single Wall: 65 lbs: 30 lbs: 200# Single Wall: 65 lbs: 40 lbs: 275# Single Wall: 95 lbs: of box and contents while the 275# box can hold up to 95 lbs. Edge Crush Test (ECT) ECT is a measure of the edgewise compressive strength of corrugated board. This can be tested with the Edge Crush Test, as discussed later in this guide. Adhesives: Resin-enhanced wet strength adhesives are to be used for the manufacture of all corrugated boxes. 3-high whenever the load on the bottom-most box is less than 750 lbs. Combining differently shaped flutes allows us . The degree of control varies for static and dynamic compression. Some guidelines for designing hand holes for corrugated boxes are provided by ASTM D 6804, which is a standard guide for "Hand Hole Design in Corrugated Boxes" and is intended to test the performance of hand hole strength [3]. There are 3 main types of corrugated board: 1. Step-by-Step (continued) 3.Closeitsecurely. Length: 0.75" - 30". Furthermore, such a transparent standard, adapted to the material, also respects all its specific qualities (versatility, lightness, strength, recyclability). BOX STRENGTH GUIDELINES: (Maximum weight per box) FIBER BOX HANDBOOK: UPS GUIDELINES: 32 ECT Single Wall: 65 lbs: 30 lbs: 200# Single Wall: 65 lbs: 40 lbs: 275# Single Wall: 95 lbs: 65 lbs: 350# Single Wall: Assembled view. ft. directly impacts paper strength. Graphics tend to be basic line art and text, utilizing between 1 and 3 colours. 3 x 3 x 3" Corrugated Boxes. Product Boxes. Artwork Guidelines; Corrugated Boxes. Digital printing offers a wide color gamut for outstanding results without the need for print plates, proofing charges, or overruns; Flexographic printing is an economical and effective way to print up to two colors at a time on a variety of standard and custom corrugated box styles Litho-Labeling . Ship freight in corrugated boxes (avoid reusing boxes), crates or shipping containers. The most popular is to create layering of products inside a box, while at the same time increasing protection by adding side compression strength to the box. Enlarge & Video Perfect for apparel, picture frames, books, scales, spools of wire and electronic equipment. Interior Dimensions Range. The mullen test measures resistance to rupture in pounds per square inch (psi). Strength: This specifies the strength rating of the corrugated material in either burst or edge crush strength. Corrugated packaging is lightweight, lowering freight & handling costs with fewer trucks, less fuel and lower emissions. They are all ECT32 rated, which is the industry wide accepted rating for shipping boxes. 275# 44 ECT 95 lbs. Colorful prints on displays, perforations in shelf-ready-packaging and various types of ventilation holes in trays, although extremely important for ergonomic or functional reasons, weaken the strength of the box. Offset Printing & Digital Printing for Corrugated Box . Top-to-bottom compression strength is related to the load a container may encounter when stacked. FEFCO case codes - A set of standard design patterns used within the corrugated industry. A box can be designed by optimizing the grade of corrugated board, box design, flute direction, and inner supports. The air works as a cushion, but these columns provide strength and sturdiness to the boxes made of corrugated boards. The smallest flute sizes like E and F can be used instead of standard folding carton boxes (primary retail boxes) and can offer greater strength and structural integrity as well. FEFCO - The European federation of corrugated board manufacturers are a non-profit organisation which represents the interests of the corrugated industry. The boxes provide the intended protection against damage, leakage or other loss. could go into a custom printed corrugated box made from 32 ECT. wall buckling strength = 1 loss f Fcr As iii. It is made from paper-based corrugated board, which is non-toxic, easily recyclable and produced from recycled paper and sustainable forestry resources. "ECT is a measure of the compressive strength of corrugated board. Corrugated Board Strength Equivalencies: Single Wall Corrugated Bursting Test Minimum Edge Crush Test Maximum Suggested Loading Limit Per Carton 125# 23 ECT 20 lbs. These sheets of paper are glued together. The FEFCO GMP standard was launched at the end of 2003, renewed in 2006, to ensure that corrugated boxes meet all the requirements of quality, safety and hygiene. The outer layer is called the linerboard or simply the liner. mullen corrugated paper where as only 30lbs. Main Services; . Your flute size determines the thickness of the walls of your corrugated box as well as the stacking strength. Dimensions are based on the opening of an assembled box. Pallet loads must have a stacking strength equivalent to: 2-high whenever the load on the bottom-most box exceeds 750 lbs. End-to-end or side-to-side compression may also be of interest for particular applications. 3. ). We also found that approximately 40lbs of product could go into a custom printed corrugated box made from 200lb. provides guidelines for designing pre-cut aper tures intended for use as hand holes in corrugated boxes during manual BC flute double wall die-cut corrugated two-bottle wrap. Full-Color Printed Sides. Economic Imperatives Colored cardboard boxes are necessary for many products. It weighs less and "weaker" single-wall corrugated boxes may hold up to a minimum weight of 20 lbs . With digital and flexographic printing, branding your packaging has never been easier. Pathare et al. The most common flutes used today are A, B, C, E, and F with A being the largest. It includes: * whether the box is SINGLEWALL or DOUBLEWALL (one layer of corrugate or two) * the type of test the box has undergone to test its strength (edge crush or bursting) * gross weight limit (maximum weight you can safely load into the carton) In general, there is a distinction between shipping boxes and . Approved with all the national . So we offer general carried by the pallet. Choose this popular size for round, cubic or odd-shaped items. 0 reviews Add Your Review. TEST. The guidelines acknowledge that plastic will sometimes be used and suggest types of plastic that are more problematic than others and should thus be avoided. Single-wall corrugated box styles vary in material strength and durability. The compression strength of corrugated boxes is influenced by the size of the gap between pallet deckboard (Baker, 2016b . Box Type. cm) Minimum Edge Crush Test (ECT) (lbs per inch/kg per cm width) 60/27.2 85/215.9 200/14.1 48/8.6 80/36.3 The strength of a corrugated box can be checked by the means of 'Box Compression Testing'. A 350# test box is rated to hold up to 120 lbs. When stored properly, your corrugated boxes are much more likely to be usable and able to protect the products inside from leakage, loss or damage. If a customer is concerned about the maximum weight a box can stand, then look at the ECT rating. Custom Box Printing. . Length and Girth Formula Girth is (2 x width) + (2 x height) General Packaging Guidelines At FedEx, we know proper packaging can help ensure that your shipments arrive safely. 12 x 9 x 3" Corrugated Boxes. This compression is performed perpendicularly to the direction of the flutes until the board collapses and a peak load is reached. A corrugated box's burst strength is a measure of durability assessed using the . Depth: 1.75 . The productive strength of corrugated boxes . 12 x 12 x 6" Corrugated Boxes. That's the box certification. Compression Strength: A corrugated box's resistance to uniformly applied external forces. This is a true performance test and is directly related to the stacking strength of a carton. This paper presents analytical methods for estimating the static top-to-bottom compressive strength of simple corrugated packaging, in which the torsional and shear stiffness of corrugated cardboard as well as the panel depth-to-width ratio are included. and the size of these flutes affects the cushioning properties and compression strength of the finished box. 2. We work with these five options because we have found these satisfy nearly all non-industrial shipping needs and are the most cost-effective options to meet said needs. TEST . . packed into a corrugated outer box. Note: Need to pass 5 tests out of 6 total tests. Corrugated Cardboard Options. The most basic type of printing on corrugated. 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