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ISO 5626:1993

Paper — Determination of folding endurance

Standard Details

Specifies the methods for the determination of folding endurance of paper using Köhler-Molin, Lhomargy, MIT and Schopper testers. The principle of the methods is folding backwards and forwards in a standardized manner of a narrow strip of paper subjected to a longitudinal stress, until it breaks. The Köhler-Molin, Lhomargy and Schopper methods are applicable to paper of thicknesses up to 0,25 mm thick and having a tensile strength greater than 1,33 kN/m. The MIT tester has interchangeable folding heads allowing a range of thicknesses up to 1,25 mm.

General Information

Status : Published
Standard Type: Main
Document No: ISO 5626:1993
Document Year: 1993
Pages: 9
Edition: 2
  • Section Volume:
  • ISO/TC 6/SC 2. Test methods and quality specifications for paper and board

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ISO 5626:1993
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