The "200#" in 200# boxes refers to the Mullen burst test ranking that the box has been given. The Mullen test is a test that measures the energy and sturdiness of corrugated cardboard boxes by implementing strain on the box until eventually it bursts. The test decides the level of stress that a box can withstand right before it ruptures.
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ECT, or Edgewise Compressive Toughness, is usually a measure on the corrugated board's ability to withstand weight and tension. It offers an indication in the corrugated material's structural integrity, energy and suppleness. This test measures the corrugated paperboard's endurance when pressure is utilized horizontally in opposition to its edges. To determine the corrugated board's ECT, it truly is crushed by a machine in precise increments while becoming measured for resistance to crushing.
In the event you’re shipping small, light-weight things that are not fragile, you likely don’t need the heavy-duty box. Having said that, you’ll probable need something a little bit sturdier for anyone who is shipping fragile things. When deciding which box will best help your product, consider the following.
The Mullen Test measures the bursting toughness of corrugated boxes. Quite simply, it tests the amount of stress or pressure needed to rupture the wall of the box. Boxes that go this boxes 36x36x36 standard are rated with the suitable # or lb designation – 200#, 275#, etcetera.
They are also obtainable in many different sizes and styles, making it easy to locate the appropriate box for any application.
We advise considering your priorities carefully right before picking out your box of option: in the event you anticipate that the boxes will experience quite a lot of have on and tear, then the best packaging Resolution in your products will be the two hundred# box, Because the corrugated walls hold up better to tough handling.
200# boxes are made from a mix of materials, like cardboard and fibreboard, and so are designed to get sturdy and sturdy. They will often be used for shipping heavier objects that have to have extra protection, like household furniture, electronics or machinery.
If an ECT tester will not be accessible, It's also possible to complete a simple handbook test. Initially, place the box on the flat surface and press down on the edges with your fingers.
Boxes are set by way of a number of tests to view how much weight Each individual kind can maintain. Determining this power makes it possible for things to become securely shipped and stored.
It’s essential to Remember that utilizing a box with a better ECT score than important may perhaps bring about higher shipping costs.
In addition, ECT rankings could vary with regards to the kind of corrugated material used during the box. Boxes made with solitary-wall corrugated material typically have reduced ECT ratings than boxes made with double-wall or triple-wall corrugated material.
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It is actually measured by compressing a small segment of board on edge amongst two rigid platens or plates perpendicular for the direction with the flutes until finally a peak load is established. This can be measured in kilos per lineal inch of load bearing edge (lb/in), but generally reported as an ECT value (by way of example, 44 ECT).