Listed below are TAPPI Standards that have recently gone out for ballot to the corresponding Standard-Specific Interest Group (SSIG). The date in parentheses is the closing date for voting.

T 259 om-21 Species identification of nonwood plant fibers (November 16, 2025)
T 277 sp-21 Macro stickies content in pulp: the “pick-up” method (November 16, 2025)
T 278 sp-21 Pulp screening (Valley-type screening device) (November 16, 2025)
T 411 om-21 Thickness (caliper) of paper, paperboard, and combined board (November 19, 2025)
T 425 om-21 Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing) (November 16, 2025)
T 428 om-21 Hot water extractable acidity or alkalinity of paper (November 16, 2025)
T 444 sp-21 Silver tarnishing by paper and paperboard (November 16, 2025)

The TAPPI Standards regulations require public review of standards that are up for ballot. Send a message to standards@tappi.org if you want to request a copy of the draft in ballot. If you would like to participate in the SSIGs that review and vote on the Standards, please contact TAPPI Standards Department at standards@tappi.org.