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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)

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

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

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

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

Useful methods
Creasing (using steel rules) of paperboard for water vapor transmission (WVTR) testing, Useful Method UM 590 (2010)

Creasing (using steel rules) of paperboard for water vapor transmission (WVTR) testing, Useful Method UM 590 (2015)

Useful methods
Color Strength and Shade of Dye, Useful Method UM 658 (2026)

Color Strength and Shade of Dye, Useful Method UM 658 (2026)

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