TAPPI T 425 om : 2011(R2016)
Superseded
View Superseded by
Opacity of paper (15/d geometry, illuminant A/2°, 89% reflectance backing and paper backing)
Hardcopy , PDF
English
01-01-2016
11-24-2021
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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Test Method
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| Pages |
0
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| PublisherName |
Technical Association of the Pulp & Paper Industry
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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