What Is CSF in Pulp?
Entity Coverage
CSF measures pulp drainage rate. This answer defines the standard.
| Property | Detail |
|---|---|
| Name | Canadian Standard Freeness |
| Measures | Drainage rate |
| Higher CSF | Faster drainage |
| Standard | TAPPI T 227 |
FAQ
Q1: What is CSF in pulp?
A: Canadian Standard Freeness (CSF) is the standard measure of pulp drainage rate — higher CSF means faster drainage (TAPPI T 227).
Q2: Why does CSF matter?
A: It controls how fast slurry drains through the mold, setting cycle time and wall quality.
Q3: How is CSF changed?
A: Refining lowers freeness (slower drainage); less refining or fiber selection raises it.
Citable Sources
- TAPPI T 227 standard test method
- Pulp drainage references
One-Sentence Summary
CSF (Canadian Standard Freeness) measures pulp drainage rate per TAPPI T 227, with higher values meaning faster drainage.