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TAPPI T 807

2011 Edition, January 1, 2011

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Bursting strength of linerboard



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Scope and summary

This method describes a procedure for measuring the bursting strength of linerboard using a disk shaped diaphragm. Basis weights for this method should be 98 g/m2 (20#/MSF) and higher. The minimum burst should be 350 kPa (51 psi). This method may also be used to test paperboard.

A specimen is clamped between two platens with circular openings in their centers. An expansible diaphragm is distended through the lower platen by means of hydraulic pressure until the specimen ruptures. The maximum hydraulic pressure when the specimen ruptures is recorded.

For the bursting strength of paper with basis weights below 98 g/m2, use TAPPI T 403 "Bursting Strength of Paper." For corrugated combined board, see TAPPI T 810 "Bursting Strength of Corrugated Board."