Problem & answerS-06
Lumps That Will Not Pass the Mesh
Likely causes
- Material caked in storage
- Moisture uptake
- Natural agglomerates (e.g. colloidal silicon dioxide)
How to fix it
- 1Break soft lumps gently by hand (gloved) on the mesh. Never force them through.
- 2Check material moisture and storage conditions.
- 3Notify the supervisor if hard lumps remain; QA decides on use.
It is fixed when
All material passes the specified mesh.
Stop it coming back
- Store materials sealed and within storage conditions.
Did this solve the problem?