Pre-Technical Communication: Target dose, film size/thickness, flavor, target market regulations, annual volume & delivery schedule.
Formulation & Process: Polymer matrix (HPMC/PVA/Pullulan/PVP/CMC/gelatin), plasticizer system (glycerin/PEG400/propylene glycol), sweeteners & flavors, pH/saliva simulation, solvent (water/water-alcohol); online thickness/weight control.
Film Formation & Drying: Lab coating → continuous casting → zoned drying → stress relief → roll-to-roll processing.
Conversion & Packaging: Slitting, die-cutting, dimensional tolerance control; high-barrier composite films/aluminum blisters; batch/serialization coding.
Testing & Stability: Assay & uniformity, disintegration/dissolution, thickness/weight, residual solvents, moisture, WVTR/OTR, microbiology; accelerated & long-term stability studies.
Tech Transfer & IP: Frozen formulation/process parameters, delivered per agreement with transfer protocols and SOP highlights.