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ASTM D2019 97th Edition, 2002
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Standard Test Method for Dirt in Paper and Paperboard
Includes all amendments and changes through Reapproval Notice , 2007
Additional Comments: W/D NO S/S
Page Count:3
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This test method (1, 2, 3)2 is intended for the numerical estimation of dirt in paper or paperboard in terms of equivalent black area. This test method is satisfactory only for the estimation of visual dirtiness and it may be entirely inadequate when the grittiness or other nonvisual effects of dirt are of importance.

2 The boldface numbers in parentheses refer to the list of references at the end of this test method.