Compression Strength

Compression strength is the optimum top load that a given container can endure for an instant before it breaks down. Box Compression Testing (BCT) is a common formula used in the corrugated industry to determine approximately how much weight that is before a container begins to collapse.

Stacking Strength

Closely related to compression strength is stacking strength. The stacking strength of a container is the maximum amount of weight that can be placed on top of it during its lifetime without it beginning to crush. The bottom container of the bottom unit obviously bears the most weight and therefore must be able to support the constant load on top of it. Additionally it must be able to tolerate the varying fluctuations in its environment and climate.

Some of the pertinent factors considered in determining stacking strength are: 

  • Type of unit configuration (i.e., column stacking, interlocking stacking, etc.)
  • Amount of layers in the unit 
  • Weight of product in the container
  • Whether containers are unitized or palletized 
  • Warehouse ceiling height and number of units stacked
  • Temperature and humidity conditions in warehouse and/or production facility
  • Amount of time containers bear weight/load
  • Type of transportation and distribution conditions

 

boxes stacked on palletdouble stacked units
 

 boxes loaded on trailer for shipping

Contact us to find out more and/or to design a container which accommodates your product and distribution needs, as well as performs to your compression and stacking requirements.

 

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          Packed pallet 

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