- Reaction with water.
- Contact with acid, base or solvent vapor.
- Filter cloth should not be too loose or too tight.
- Replace the cloth bag, first blow it with compressed air, and then check for holes. If the hole is repaired, it will be replaced. If it is covered with dust, rinse it with water, dry it and leave it for replacement.
- Hardening and shrinking due to abnormal high temperature.
- New and old cloth bags should not be mixed, to avoid damage to the dust working equipment.
