
North America Containerboard Second-Wave Hike Effective June 1, 2026: A June-September Import-Price Simulation for Korean Box Buyers
Smurfit Westrock at $50, IP at $70, and PCA, GP, and Pratt each at $50: the second-wave containerboard price increase took effect on June 1, 2026, restarting the North American price domino. This post simulates how Korean export packaging companies should run import-price expectations and quote policy through June-September.








