STAR - May 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 240 Shive content of mechanical pulp (laboratory flat screen)
UM 242 Shive content of mechanical pulp (Somerville fractionator)
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 23   Bulk density of wood chips
UM 203 Freeness of pulp (Williams tester)
UM 213 Repulpability of splices/splicing tape
UM 240 Shive content of mechanical pulp (laboratory flat screen)
UM 242 Shive content of mechanical pulp (Somerville fractionator)
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 566 Wetting shipping sack paper for testing
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.