ASTM-D589 › Historical Revision Information
Opacity of Paper (15 Diffuse Illuminant a, 89% Reflectance Backing & Paper Backing), S
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Scope
1.1 This test method covers the determination of the opacity of paper.
1.2 Two different types of "white" backing are specified, leading to two different opacity values, in accordance with Section 3.
1.3 This test method employs 15° diffuse geometry, Illuminant A/2° and 89% reflectance backing or paper backing. For the measurement of opacity with d/0° geometry, Illuminant C/2° and paper backing (see TAPPI T 519).
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
Absorption-paper; Absorption coefficient; Bond/book paper; Contrast ratio; Illumination; Instrumental measurement; Light-transmission and reflection; Opacity/opaque materials; Optical materials/properties/tests; Paper; Printing opacity; Reflectance and reflectivity-copy materials/paper; Scattering power; Visual examination-copy materials; Writing paper; opacity-paper, by opacity meter test
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15.09 (Paper; Business Imaging Products)
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Document Number
ASTM-D589-97
Revision Level
1997 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
Dec. 10, 1997
Document Type
Test Method
Page Count
5 pages
Committee Number
D06.92