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TAPPI T 425 om:2011
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TAPPI T 425 om:2011
Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing)More info
Opacity is a fundamental optical property of paper as a whole, yet the measurement of opacity is determined by a ratio of reflectance measurements. The opacity of the sheet is influenced by thickness, the amount and kind of filler, degree of bleaching of the fibers, coating, and the like. The utility of bond, writing and book papers is enhanced by a high opacity.
| Author | TAPPI - Technical Association of the Pulp and Paper |
|---|---|
| Editor | TAPPI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2011-11-11 |
| ICS | 85.060 : Paper and board
|
| Year | 2011 |
| Document history | |
| Country | USA |
| Keyword | ANSI 425;ANSI/TAPPI T 425;ANSI/TAPPI 425;425;ANSI/TAPPI T 425 om-2011 |