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Useful methods
Repulpability of splices/splicing tape, Useful Method UM 213 (2012)

Repulpability of splices/splicing tape, Useful Method UM 213 (2012)

Standards
Laboratory processing of pulp (plate refiner), Useful Method UM 221 (2010)

Laboratory processing of pulp (plate refiner), Useful Method UM 221 (2015)

Standards
Bulk density of wood chips, Useful Method UM 23 (2026)

Bulk density of wood chips, Useful Method UM 23 (2026)

Standards
Laboratory processing of pulp (ball or pebble-mill method), Useful Method UM 253 (2010)

Laboratory processing of pulp (ball or pebble-mill method), Useful Method UM 253 (2015)

Useful methods
Water retention value (WRV), Useful Method UM 256 (2026)

Water retention value (WRV), Useful Method UM 256 (2026)

Standards
Laboratory processing of pulp (Kollergang method), Useful Method UM 258 (2010)

Laboratory processing of pulp (Kollergang method), Useful Method UM 258 (2015)

Useful methods
Determination of useful fiber in bagasse, Useful Method UM 3 (2010)

Determination of useful fiber in bagasse, Useful Method UM 3 (2015)

Useful methods
Approximate Opacity of Paper Using 45°/0° Geometry Reflectometer, Useful Method UM 411 (2025)

Approximate Opacity of Paper Using 45°/0° Geometry Reflectometer, Useful Method UM 411 (2025)

Useful methods
Water vapor permeability of sheet materials at -18°C (0°F), Useful Method UM 573 (2026)

Water vapor permeability of sheet materials at -18°C (0°F), Useful Method UM 573 (2026)

Standards
Fiber length of pulp and paper by automated optical analyzer using polarized light, Test Method TAPPI/ANSI T 271 om-23

Fiber length of pulp and paper by automated optical analyzer using polarized light, Test Method TAPPI/ANSI T 271 om-23

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