Pulp properties measured from the original pulp sheet in the dry state

Pulp properties measured from the original pulp sheet in the dry state Brightness The typical ISO C brightness levels of chemithermomechanical pulp (CTMP) fluff are 70 %– 80 %. Those of fully bleached chemical fluff pulp are 80 %–89 %. Unbleached grades also have use in some applications. The brightness measurement occurs directly on the