Withdrawal of UM 821

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UM 821 "A non-destructive production tool to measure the general flute quality and damage of corrugated board using resonance frequency technology" has been withdrawn.

The reason for withdrawal is that the method does not adequately describe the apparatus or mechanism by which the measurement is made, and it does not currently match any techniques or instruments available.

If you have any objections to this withdrawal, please send a message to standards@tappi.org.

TAPPI Standards guidelines require that all TAPPI members receive notification of any proposed new Standard or TIPs. This message is being sent to you because you are a TAPPI member; have purchased TIPs or Standards products from TAPPI; or because you have previously expressed interest in this topic.

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