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T 836

Bending stiffness, four point method

This procedure specifies the method of determining the bending stiffness, also called flexural rigidity, in the machine and cross directions, of corrugated board using four-point loading. The procedure may also be used for solid boards and paperboard. The method is applicable to boards with a bending stiffness of 0.5 - 200 Nm (4.4 - 1770 lbf *ÿin.).

CONTENT PROVIDER
Technical Association of the Pulp and Paper Industry [tappi]

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