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ISO 11093-8:2017

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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

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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.

Author ISO/TC 6 Paper, board and pulps
Editor ISO
Document type Standard
Format Paper
Edition 3
ICS 85.060 : Paper and board
Number of pages 8
Replace ISO 11093-8:2012
ISO 11093-8:2012/Cor 1:2013
Weight(kg.) 0.1136
Year 2017
Country Switzerland