SAMPLES NEEDED
1 or more, depending on your needs
TYPICAL TURNAROUND
1-2 days
You probably need this if
Your boxes are rated by burst strength and you need to verify the board
You’re qualifying a new board supplier or checking incoming material
Boxes are splitting or puncturing in handling and you need to find out why
A customer or carrier specification calls for a minimum burst rating
What the test involves
01
Specimen preparation
Specimens are cut from flat board or from the panels of finished boxes.
02
Conditioning
Specimens are conditioned in the standard atmosphere for paper and board testing (TAPPI T402) before testing.
03
Burst
Each specimen is clamped over an opening while a rubber diaphragm expands against it under increasing hydraulic pressure until the board ruptures.
04
Reporting
Results are reported as bursting strength, typically in pounds per square inch (psi).
What to send us
Flat sheets of the board or finished boxes. We’ll confirm how many.
Design drawings or a packaging specification, if you have them.
Ship to 9708 Industrial Drive, Bridgeview, Illinois 60455.
Not sure the count is right for your configuration? We confirm it with you before you ship anything.
Related standards
Common questions
What is the Mullen test?
It’s the common name for the burst test, after the Mullen tester used to run it. It measures the pressure needed to rupture the board.
Is burst strength or ECT more important?
It depends on how the box is used. ECT relates more closely to stacking strength, while burst relates to resisting rupture in rough handling.
Not certain burst testing is the right test?
Send us an email, give us a call, or schedule time to chat. We can answer your questions and let you know which standard applies for your situation.
