TAPPI T 227 om-17

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The freeness of pulp is designed to give a measure of the rate at which a dilute suspension of pulp (3 g of pulp in 1 L of water) may be drained. The freeness, or drainage rate (see TAPPI T 221 “Drainage Time of Pulp”), has been shown to be related to the surface conditions and swelling of the fibers. Besides these factors, the result is dependent also on conditions under which the test is carried out, such as stock preparation, temperature, and water quality. The applicability of TAPPI T 227 om-17 to all types of pulps has not been determined.

Product Details

Published:

2017

Number of Pages:

14

File Size:

1 file , 810 KB