SS-ISO-11093-8 › Paper and board - Testing of cores - Part 8: Determination of natural frequency and flexural modulus by experimental modal analysis (ISO 11093-8:2017, IDT)
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This document 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.
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85.080.30 (Cardboard Paper for packaging, see 55.040)
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Designation Name
SS-ISO 11093-8:2018
Revision Level
2018 EDITION
Status
Current
Publication Date
May 29, 2018
Language(s)
English
Page Count
20
International Equivalent
ISO 11093-8:2017(IDT)