The Science of Corrugated Web Interactive 17.03.25 - Flipbook - Page 7
Box Compression
Testing
Box Compression Test (BCT)
• Used to assess the compression strength of a glued
corrugated case.
• Determine a maximum load a box can withstand when
palletised.
1. At least 10
randomly selected
cases are tested
according to ISO187
3. Weight is
applied until the
buckling point is
met
2. Box is made
up and centrally
placed on the
testing machine
4. The maximum
BCT measurement
is recorded in KG
Box Compression Test Limitations
• Die cuts and Multi Depth Scores are 昀椀rst points of weakness on the case, which signi昀椀cantly
reduce results.
• Boxes are tested within lab conditions and do not re昀氀ect the actual conditions the boxes are
subjected to.
• Doesn’t take into account the dramatically reduced stacking strength caused by even a small
stacking misalignment, which is common during distribution.
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