Cast-film surface consistency: record the observation point
Surface observations can differ between the die side and chill-roll side, before and after winding, or under different lighting. Naming the observation point prevents vague feedback.
Film note
Surface observations can differ between the die side and chill-roll side, before and after winding, or under different lighting. Naming the observation point prevents vague feedback.
Use a small visual checklist when comparing film samples across a trial.
