TAPPI T 437 om-21 PDF Download
Standard EN
Dirt in Paper and Paperboard
Also Known As: TAPPI/ANSI T 437 om-21
SKU174224638
Published by
Technical Association of The Pulp and Paper Industry
TAPPI
Publication Date2021-05-18
Pages CountPages5
This method is suited for the visual estimation of dirt in paper or paperboard in terms of equivalent black area. For dirt in pulp, see TAPPI T 213, Dirt in Pulp.
Details
History and complementary documents
History
| Descriptors | Dirt, Dirt count, Paper, Paperboard, Contraries, Surfaces, Reflectance, Light |
| Language(s) | English |
| File Size | 276.5 KB |
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