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ISO 11093-7:2011
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Paper and board -- Testing of cores -- Part 7: Determination of flexural modulus by the three-point method

Abstract

ISO 11093-7:2011 specifies a method for the determination, by the three-point method, of the flexural modulus of cylindrical paper and board cores, which meet the following criteria:

  • internal diameter: 50 mm to 350 mm;
  • minimum wall thickness: 0,05 × internal diameter, but not less than 10,0 mm;
  • minimum length of core: 10 × internal diameter, but not less than 1 000 mm.

 

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