Internal bond strength of paper or board (Z-direction)

This test is used to provide insight into the performance of coated fine papers, adhesion at carton side seams, and more. In the test, a tape is placed on both sides of the test specimen, the sample is pulled apart in the z-direction, and the force required to delaminate the paper is measured.

Suitable sample matrices
Paper and board
Required sample quantity
Five A4 sheets
Typical turnaround time
3 weeks after receiving the samples
Available quality systems
Accredited test method

Pricing and online order

First sample (Excl. VAT):
232 €
Additional samples (Excl. VAT):
120 €per sample
Large batches of samples are eligible for discounts.

Samples are entered during checkout.

Our experts review all orders to ensure the testing method is suitable for your needs and samples.

Questions? We're happy to help.

Questions? We're happy to help.

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Answering the following questions helps us prepare an offer for you faster:

  • How many samples do you have and what is the sample material?
  • Do you have a recurring need for these tests? If yes, how often and for how many samples at a time?

Have questions or need help? Email us at or call +358 50 336 6128.