Article1 min read Aug 27, 2025STAR - August 2025 - STAR of the MonthThe TAPPI T 836 four-point bending stiffness test method provides operations managers and R&D professionals with precise flexural rigidity measurements for corrugated board, solid boards, and paperboard in machine and cross directions. This standardized procedure covers materials with bending stiffness ranging from 0.5 to 200 Nm, enabling accurate quality control benchmarking and material performance validation. The four-point loading configuration delivers reliable data for corrugated packaging applications, supporting informed decision-making in production optimization and material selection. Available through TAPPI standards, this method helps teams maintain consistent testing protocols while meeting industry specifications for packaging performance.
