Problem & answerC-04
Powder Compaction
Likely causes
- High tamping pressure
- Long production interruptions
- Excessive powder load in the hopper
- High humidity
- Poor flow properties
How to fix it
- 1Stop the machine.
- 2Remove compacted powder and loosen the rest with an approved GMP tool.
- 3Check tamping pressure.
- 4Reduce the hopper load if excessive.
- 5Verify room humidity.
- 6Resume once powder flows freely.
It is fixed when
Powder flows freely and capsule weight remains in specification.
Stop it coming back
- Do not leave powder in the hopper during long stoppages.
- Keep the hopper level within the validated range.
Did this solve the problem?