GB/T 22896-2008 Paper and board—Determination of curl—Single vertically suspended test piece

Scope

This standard specifies the method for measuring the curl of paper by vertically hanging a sample.
This standard can be used to measure all types of curl in the following cases:
——The curl shape formed is approximately an arc;
——During the cutting and measurement of the sample, the curl should remain stable, and it should be ensured that the sample experiences curl or that the curl persists after being exposed to a constant environment, such as a laboratory or a printing workshop.

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