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ISO 11093-8:2017

Paper and board — Testing of cores — Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis

Standard Details

ISO 11093-8:2017 specifies a method for the determination of the flexural modulus by using experimentally measured natural frequencies in the free-free mode of transverse vibration of cylindrical paper and board cores, which meet the following criteria:

- internal diameter:

50 mm to 350 mm;

- minimum wall thickness:

0,02 × internal diameter or not less than 2,0 mm;

- minimum length of core:

8 × internal diameter.

NOTE For the determination of the flexural modulus by the three-point method, see ISO 11093‑7.

General Information

Status : Published
Standard Type: Main
Document No: ISO 11093-8:2017
Document Year: 2017
Pages: 8
Edition: 3
  • Section Volume:
  • ISO/TC 6. Paper, board and pulps

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ISO 11093-8:2017
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