Unless otherwise specified by clients, Cedap abides by the following approval process:

Phase 0: a sample -few meters or A4 format- for colour validation.
Phase 1: 500 kg for first machine trials.
Phase 2: 5 T to confirm machine trials.
Phase 3: manufacturing validation phase (about 20 T).
Phase 4: finalize specifications.

At each stage, Cedap initiates a monitoring report highlighting the following information: width, thickness, saber effect, undulations, shrinkage.