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Early review of T 489

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A proposal has been made to open an early review of T 489 "Bending resistance (stiffness) of paper and paperboard (Taber-type tester in basic configuration)." The reason for the early review is to ballot this in parallel with the revision of T 566 "Bending resistance (stiffness) of paper (Taber-type tester in 0 to 10 Taber stiffness unit configuration)." The two methods need to be harmonized; TAPPI guidelines will not allow both procedures to be in the same method.

The scope of T 489 is: This test method covers a procedure used to measure the resistance to bending of paper and paperboard. This test method is used to determine the bending moment required to deflect the free end of a 38 mm (1.5 in.) wide vertically clamped specimen 15 degrees from its center line when the load is applied 50 mm (1.97 in.) away from the clamp.  The resistance to bending is calculated from the bending moment.

A Standard-Specific Interest Group already exists for this standard, but this notice is to recruit any other interested parties to join the group. Any individuals who are interested in this Standard may join the SSIG to receive ballots when this method is ready for vote.

If you are already a member of one or more of the TAPPI SSIGs, you should have already received a notification on how to log into the new website for Standards Development and Review. From the "All Groups" listed on your home page, you will see T 489 listed; click on that link and then click "Join Group." (If it appears in bold on your list, it means you are already a member of that SSIG, and thus it should also appear in your "My Groups" list.)

If you have not received login instructions for the new site and would like to join the SSIG for this project, please notify the Standards Department at or by fax at +1-770-446-6947, no later than June 2, 2014.

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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