Why Integrating Seal, Barrier, and Friction Testing Builds Better Flexible Packaging
Published September 2026.
What is Co-efficient of Friction?
Co-efficient of Friction (COF) defines the sliding interaction between two surfaces. Static Friction and Dynamic Friction (or Kinetic Friction) are defined in many standards including ASTM D1894, ASTM D4918, ASTM G219, ISO8295, TAPPI T549, TAPPI T815, TAPPI T503, TAPPI T548,…