Article1 min read May 28, 2025STAR - May 2025 - STAR of the MonthThis TAPPI Technical Information Paper provides essential guidance for operations managers and technical professionals on measuring chordal flute depth in corrugating rolls, a critical quality parameter for packaging production. The standardized measurement technique ensures consistent corrugated board quality by defining the perpendicular distance from flute valleys to adjacent tip tangents. Developed by industry experts from leading companies including Fosber, Georgia Pacific, and Packaging Corporation of America, this technical resource helps manufacturing teams maintain precise roll specifications, reduce quality variability, and optimize production efficiency. Essential reading for plant managers seeking to benchmark measurement protocols and advance technical expertise in corrugated manufacturing operations.