Description
TAPPI T 437 – Dirt in Paper and Paperboard
This method (1-3) 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.”
Product Details
- Published:
- 01/01/2021
- ANSI:
- ANSI Approved
- Number of Pages:
- 5
- File Size:
- 1 file , 270 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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