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 (December 3, 2025)
T 278 sp-21 Pulp screening (Valley-type screening device) (December 3, 2025)
T 411 om-21 Thickness (caliper) of paper, paperboard, and combined board (December 3, 2025)
T 425 om-21 Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing) (December 3, 2025)
T 428 om-21 Hot water extractable acidity or alkalinity of paper (December 3, 2025)
T 444 sp-21 Silver tarnishing by paper and paperboard (December 3, 2025)
T 448 om-21 Water vapor transmission rate of paper and paperboard at 23 degrees C and 50% RH (December 10, 2025)
T 459 om-21 Surface strength of paper (wax pick test) (December 10, 2025)
T 460 om-21 Air resistance of paper (Gurley method) (December 10, 2025)
T 465 sp-21 Static creasing of paper for water vapor transmission tests (December 10, 2025) 
T 476 om-21 Abrasion loss of paper and paperboard (Taber-type method) (December 10, 2025)
T 541 om-21 Internal bond strength of paperboard (z-direction tensile) (December 10, 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.