Cartons
How to Select Corrugated Carton Strength
The factors that determine whether a carton is strong enough for your product.
What affects carton strength
- Number of plies (3, 5 or 7)
- Paper grade and GSM of liners and flutes
- Flute profile
- Box dimensions — larger boxes are generally weaker in compression
- Humidity — board weakens when damp
Questions to answer
- What is the weight of the packed contents?
- How high will boxes be stacked, and for how long?
- What is the storage humidity?
- How will the boxes be handled?
Share these details when you request a quote so a suitable construction can be proposed.
Glossary
- Flute:
- The wavy middle layer of corrugated board.
- GSM:
- Grams per square metre — paper weight.
- BCT:
- Box compression test — the load a box can carry before crushing.
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