We optimize international shipping for cost-effectiveness. For solid caustic soda, a 20ft container typically holds 22-24 metric tons, while a 40ft container accommodates 26-27 metric tons of bagged flakes or pearls. For high-volume liquid shipments, we use ISO tank containers, each transporting approximately 21,000 liters of the 50% solution. This logistical planning ensures efficient delivery to major industrial zones across Chile.