The Useful Methods listed below were opened for review in 2024. If you are interested in participating in the UM review process, please submit your request to the Standards team at standards@tappi.org to enroll today.

The Working Group must consist of three TAPPI members from three different companies in order to be submitted for publication. Nonmembers can participate as part of the Working Group for each UM.

UMs up for review in 2025


Optical Properties

UM 200

Brightness loss of bleached pulps

06/25/24

UM 411

Opacity of paper using 45 degree/0 degree reflectometer

06/25/24

UM 658

Color strength and shade of dye

06/25/24

 

Physical Properties



UM 256

Water retention value (WRV)

06/25/24

UM 542

Amount of coating on mineral-coated paper

06/25/24

UM 554

Polystyrene in paper products

06/25/24

UM 555

Testing of grease-repellant treated paper

06/25/24

UM 566

Wetting shipping sack paper for testing

06/25/24

UM 573

Water vapor permeability of sheet materials at -18C (0F)

06/25/24

UM 579

Water repellence of paper and boards (title changed)

06/25/24

UM 590

Creasing (using steel rules) of paperboard for water vapor transmission (WVTR) testing

06/25/24

UM 596

Water absorbency of nonbibulous paperboard

06/25/24

UM 597

Water resistance of sized paper and paperboard (dry indicator method)

06/25/24


Pulp Properties

UM 3

Determination of useful fiber in bagasse

06/25/24

UM 23

Bulk density of wood chips

06/25/24

UM 203

Freeness of pulp (Williams tester)

06/25/24

UM 205

Dirt in pulp (measured by transmitted light)

06/25/24

UM 213

Repulpability of splices/splicing tape

06/25/24

UM 221

Laboratory processing of pulp (plate refiner)

06/25/24

UM 240

Shive content of mechanical pulp (laboratory flat screen)

06/25/24

UM 242

Shive content of mechanical pulp (Somerville fractionator)

06/25/24

UM 253

Laboratory processing of pulp (ball or pebble-mill method)

06/25/24

UM 258

Laboratory processing of pulp (Kollergang method)

06/25/24


Fiberboard Shipping Container Testing

UM 822

Green peel bond procedure at the corrugator

06/25/24

UM 823

Testing adhesives used in glued lap joints of corrugated fiberboard containers

06/25/24

UM 824

Flexural stiffness of corrugated board

06/25/24