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Short-span compression test (SCT)

ISO 9895, DIN 54518 or TAPPI T 826

In the short-span compression test the compressive strength of paper is determined to ISO 9895, DIN 54518 or TAPPI T 826.

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Purpose of the test

  • In the short-span compression test (SCT) the compressive strength of paper in compression mode is determined.
  • Because only a very short length of paper (0.7 mm) is used in the test, greater account is taken of the load-bearing fiber portion of the material than with the traditional test methods (ring crush test, corrugated crush test or linear crush test).
  • Determination of the compressive resistance has now become established as an alternative to the ring crush test.

SCT (short-span compression test) and tensile test

Short-span compression test (SCT) on paper and cardboard to ISO 9895 or DIN 54518

Short-span compression test (SCT) fixture to ISO 9895, DIN 54518 or TAPPI T 826

 

Applications:

  • This method is ideal for tests to determine the short-span compressive strength at the sheet level of paper and cardboard (100 to 400 g/m²) to ISO 9895, TAPPI T826 and DIN 54518

Function description:

  • The test fixture consists of two pneumatic clamping units. These are connected to one another by two precision guides.
  • The line of action of force of the guide element in the specimen and the symmetry line of the load cell are in one plane. They permit end loading without lateral forces and bending moments.

Advantages and features:

  • A very stiff test arrangement minimizes the influence of the machine on the specimen.
  • Used in combination with burst pressure instrument and materials testing machines: very functional and cost-effective, especially when testing corrugated base paper.
  • Cost-effective accessories for testing machines instead of expensive individual solutions.
  • Solid construction with precision guides for excellent reproducibility, even with heavy paper grades.
  • Guides and line of action of force in one plane; specimen loading is symmetrical and free from bending moments, delivering premium quality results for the SCT value.
  • ZwickRoell test programs with prepared data interface to CAQ systems, guaranteeing rapid data integration.
  • Pairs of jaws featuring precision vertical and horizontal guidance.
  • The gripping force is applied pneumatically.
  • Can only be operated via PC-controlled testing system.
  • Optimal specimen parallelism is achieved with the ZwickRoell strip-cutter.

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Downloads

Name Type Size Download
  • Product Information: Test Fixture for Determination of the Short Span Compressive Strength PDF 185 KB
  • Industry Brochure: Paper & Cardboard PDF 4 MB
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