ANSI/TAPPI T 425 os-75

Opacity of Paper (15% Diffuse Illuminant A)

Org/Number ID	ANSI/TAPPI T 425 os-75
Alternate Organization ID / number
Version(s)	1976
Bin #	221
Comments
Status	Present
Record last updated	July 14, 2026, 1:01 pm

This may not be the most recent edition of this standard.