STAR - January 2026 - SSIG Members Needed

The Standard-Specific Interest Groups (SSIGs) for the following Standards are in need of additional members. These groups may or may not have ballots currently open.

T 226 cm-23 Specific external surface of pulp

T 254 cm-22 Cupriethylenediamine disperse viscosity of pulp (falling ball method)

T 266 om-24 Determination of sodium, calcium, copper, iron and manganese in pulp and paper by atomic absorption spectroscopy

T 267 cm-25 Compression wood identification in pulpwood

T 268 om-22 Weight-volume measurement of pulpwood

T 274 sp-22 Laboratory screening of pulp (MasterScreen-type instrument)

T 282 om-23 Hexeneuronic acid content of chemical pulp

T 418 cm-17 Organic nitrogen in paper and paperboard

T 434 cm-23 Acid-soluble iron in paper

T 449 om-22 Bacteriological examination of paper and paperboard

T 465 sp-21 Static creasing of paper for water vapor transmission tests

T 500 cm-21 Book bulk and bulking number of paper

T 516 cm-23 Envelope seal, seam, and window patch testing

T 519 om-22 Diffuse opacity of paper (d/0 paper backing)

T 525 om-22 Diffuse brightness of paper, paperboard and pulp (d/0) — ultraviolet level C

T 529 om-25 Surface pH measurement of paper

T 534 om-22 Brightness of clay and other mineral pigments (d/0 diffuse)

T 544 cm-19 Aging of paper and board with moist heat

T 550 om-22 Determination of equilibrium moisture in pulp, paper and paperboard for chemical analysis

T 568 om-23 Physical area of sub-visible contraries in pulp, paper and paperboard by image analysis

T 572 sp-21 Accelerated pollutant aging of printing and writing paper by pollution chamber exposure apparatus

T 573 sp-21 Accelerated temperature aging of printing and writing paper by dry oven exposure apparatus

T 578 sp-22 Accelerated light aging of printing and writing paper by xenon-arc exposure apparatus

T 579 om-23 Diffuse brightness of paper, paperboard and pulp (d/0) (ultraviolet level D65)

T 600 om-22 Analysis of formaldehyde in aqueous solutions and of free formaldehyde in resins

T 604 cm-22 Sulfur dioxide in sulfite cooking liquor

T 621 cm-23 Analysis of rosin

T 627 cm-25 Determination of titanium dioxide

T 646 om-22 Brightness of clay and other mineral pigments (45/0)

T 653 om-22 Specular gloss of paper and paperboard at 20 degrees

T 657 sp-21 Sampling of fillers and pigments

T 824 cm-23 Fluted edge crush of corrugating medium (flexible beam method)

T 832 om-22 Water absorption of corrugating medium: float curl method

Participating in an SSIG is free and open to anyone interested. Join now!

If no progress is made on balancing these SSIGs, then the respective methods may be considered for withdrawal at the next Q&SMC meeting. If you have an interest in becoming a member of either of these SSIGs, please contact standards@tappi.org.