TAPPI T 822
Ring Crush of Paperboard (Rigid Support Method)
standard by Technical Association of the Pulp and Paper Industry, 05/01/2002
Full Description
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.