TAPPI T 822 Ring Crush of Paperboard (Rigid Support Method)

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TAPPI T 822 Ring Crush of Paperboard (Rigid Support Method)

The ring crush test correlates with edgewise compression strength of paperboard(1). This method is intended for paperboard between 0.28 mm (0.01 in.) and 0.51 mm (0.02 in.) thick.

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