Sizing involves coating fibers with starch or other substances to strengthen paper or textiles during manufacturing. There are several techniques for sizing including hot melt, solvent, foam, high pressure, electrostatic, emulsion, and combined sizing. The sizing process involves unwinding fibers, applying the sizing in the sizing zone, drying the sized fibers, splitting them, and winding on the headstock. Drying methods include cylinder, hot air, infrared, and combined drying.

1. Sizing

2. Kawser Ahamad
Md. Sabbir Ahmed
162-23-231 Istiak Ahmed Nerob
163-23-254

3. What is sizing?
Objects of Sizing:

4. Input:
Output:

10. Different techniques of sizing:
• • Hot melt sizing.
• • Solvent sizing.
• • Foam sizing.
• • High pressure sizing.
• • Electrostatic sizing.
• • Emulsion sizing.
• • Combined sizing.
• • Conventional sizing.

13. •Unwinding zone
•Sizing zone
•Drying zone
•Splitting zone
•Headstock zone
The
zone’s of
sizing

17. 4. Vertical creel
This type of creel are most suitable where a large number of
warper’s beam are used.

19. Drying zone
The methods of
drying:
1. Cylinder
drying:
• Two cylinder
• Multi cylinder
2. Hot air drying
3. Infra-red
drying
4. Combined
drying

23. Thank’sto all
The end