ISO 2493-1:2010

Paper and board - Determination of bending resistance - Part 1 : constant rate of deflection

ISO 2493-1:2010 specifies procedures, based on the two-point loading principle, for determining the bending resistance of paper and board.

ISO 2493-1:2010 applies to the measurement of the bending resistance within the range 20 mN to 10 000 mN. It is not applicable to corrugated board but can be applicable to the components of such board.

The bending angle is 15° and the bending length is 50 mm.

For samples having a bending resistance that is too low to measure with a bending length of 50 mm, a shorter bending length, i.e. 10 mm, can be used.

For boards that tend to be permanently deformed if bent through 15°, the half bending angle, i.e. 7,5°, can be used.

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