TAPPI T 425 om : 2011(R2016)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Opacity of paper (15/d geometry, illuminant A/2°, 89% reflectance backing and paper backing)
Hardcopy , PDF
24-11-2021
English
01-01-2016
Opacity is a fundamental optical property of paper as a whole, yet the measurement of opacity is determined by a ratio of reflectance measurements.
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