Maximum weight per container must not exceed FedEx® Box Strength Guidelines. It must be closed by a positive means or be capable of passing recognized transport qualification drop tests. 04: FEFCO 0100 Styles. A box, by the carriers’ definitions, is a full, six-sided (or more) enclosure that may have an opening only large enough to insert one’s fingers to rip open a flap. UPS Double Wall Box Strength Guidelines Double Wall Corrugated Fiberboard Maximum Weight of Box and Contents (lbs/kg) Size Limit of Box Length, Width, and Depth Added (inches/cm) * Minimum Bursting Test (lbs per sq. Using the alternative requirements in the carrier rules, box manufacturers have more latitude to design and supply boxes that target the user’s performance requirements. “A” flute was the original corrugated flute and is the thickest flute profile you can use. Number 107: Calculation of the critical difference between measurements from … FEFCO Technical Specifications for Converting Equipment The corrugated industry is acting in an environment where the requirements of customers are getting more and more strict and demanding. (See table at: ... All Polystyrene packaging must be shipped inside an appropriate size outer corrugated box with all closure flaps sealed securely top and bottom with pressure sensitive tape. Bursting Strength: The Strength of material in pounds per square inch, as measured by the cady or mullen tester. These have been split into the various categories as proposed by FEFCO, and are listed in numerical order. packed into a corrugated outer box. Failure can occur when a container collapses, becomes unstable, or creeps to a critical deformation. Technical information Standards & Guidelines . The box strength guidelines also take into consideration the strength differences between bursting strength and edge crush strength containers. Corrugated box design is the process of matching design factors for corrugated fiberboard boxes with the functional physical, processing and end-use requirements. 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 This is called the boards corrugation. Different customers have different requirements regarding the strength of the corrugated boxes. Boxes must be made of combined board (corrugated or solid fiberboard) that meets or exceeds the minimum burst strength and combined … Interior vs. 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. An A flute is roughly 5mm thick, and is an excellent option for products that need a little more … could go into a custom printed corrugated box … For a description of these different categories / styles, please see Section 13: “Description of basic type groups”. Bursting Strength (Mullen or Burst test) - indicates the box’s ruggedness to withstand rough handling and is expressed in units force per area (lbs-force/square inch) when tested in accordance with ISO Standard 2759, FEFCO TM 3, TAPPI T 810, or CN GB/T 6545. We also found that approximately 40lbs of product could go into a custom printed corrugated box made from 200lb. 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. Flutes are essentially the reinforcement that make up the board. Quality is never about the high strength of the material, it is about having the appropriate strength. The term "cardboard box" is commonly misused when referring to a corrugated box. Understanding Corrugated Material Strength Ratings: Burst Strength vs. Corrugated Flutes are the S shaped waves/arches of a corrugated box that makes up the board. Corrugated boxes … ECT is a characteristic of the combined board that, along with other factors, predicts the compression strength of the finished corrugated fiberboard box. Standards & Guidelines .