STAR - August 2025 - Members for Working Groups of Useful Methods Needed

Volunteers for the following working groups of Useful Methods (UMs) are needed. All Working Groups of UMs require a minimum of 3 TAPPI members from 3 different companies in order to review a UM. The following UMs do not have an assigned Working Group Chair (WGC) to initiate the review:

UM 3 Determination of useful fiber in bagasse
UM 23 Bulk density of wood chips
UM 213 Repulpability of splices/splicing tape
UM 221 Laboratory processing of pulp (plate refiner)
UM 253 Laboratory processing of pulp (ball or pebble-mill method)
UM 258 Laboratory processing of pulp (Kollergang method)
UM 555 Testing of grease-repellant treated paper

Working Group Members Needed:

UM 203 Freeness of pulp (Williams tester)
UM 213 Repulpability of splices/splicing tape
UM 253 Laboratory processing of pulp (ball or pebble-mill method)
UM 258 Laboratory processing of pulp (Kollergang method)
UM 542 Amount of coating on mineral-coated paper
UM 554 Polystyrene in paper products
UM 555 Testing of grease-repellant treated paper
UM 590 Creasing (using steel rules) of paperboard for water vapor transmission (WVTR) testing

If you would like to join a Working Group of a UM, please write to Standards@tappi.org for more information.