Short-Span Compression Testing FAQs - Industrial Physics Short-Span Compression Testing FAQs - Industrial Physics

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Short-Span Compression Testing FAQs

Short-span compression testing: Commonly Asked Questions

A relatively new addition to the corrugated testing sphere, short-span compression testing (SCT) is a cost-efficient way to find out the compressive strength of corrugated board. It’s an innovative new process that might just have a home in your corrugated testing lab – that’s why we’ve put together a list of some of the frequently asked questions you might be puzzling over.


Stay up-to-date with this fast and precise new testing solution with our answers to the most frequently asked questions.

What is SCT?

Short-span compression testing is an alternative edge crush testing that is used to determine the compressive strength of corrugated board. A sheet of the material that is being tested is inserted into pneumatic clamps precisely aligned to produce a sample free length of only 0.70mm. Axial pressure is then applied until the sample reaches a point of failure.

For more on SCT and how this new testing technique could fit into your quality control process, check out our handy guide to short-span compression testing.

What materials are normally used in short-span compression testing?

While compression testing takes place on all sorts of materials, from concrete to ceramics, SCT is most commonly used to test paper, board and corrugated materials like cardboard.

There are other solutions for testing corrugated, check out our selection of corrugated testing products for a full range of digitized and automated solutions.

What standards does SCT comply with?

Short-span compression testing has been widely accepted as a suitable method for testing the compressive strength of paper and board. When carried out properly and with the appropriate equipment, SCT is compliant with ISO 9895, DIN 54518 and TAPPI T 826 standards.

At Industrial Physics, we use our years of expertise to ensure that the testing products we provide will help you meet industry standards. For example, if you’re looking for a highly accurate SCT machine, the 17-36 Short Span Compression Tester is a great choice.

What other kinds of compression tests can be used as an alternative?

An alternative to SCT is the more tradition edge crush test. This test also measures the amount of pressure a sample can withstand along its edge before hitting the point of failure. ECT is a well-established method for testing corrugated. Check out everything you need to know in our guide to ECT conversion.

From SCT testing to burst or edge crush tests

Curious about ways you could improve your corrugated testing? Find out more about the benefits of SCT and how it could fit in with burst and edge crush testing solutions by getting in touch and speaking to our corrugated specialists – we’d love to help you with all of your corrugated testing!