TAPPI T 437

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