Hot regions stress emulsions through higher tank temperatures, faster evaporation during application, and increased risk of premature breaking in pumps and lines. Supply chain constraints include limited local terminals, haul distance, and the need for insulated or temperature-managed transport. Water quality and consistent emulsifier availability can also be a bottleneck. Operationally, high heat drives demand peaks and shortens workable hours, so plants with strong logistics and higher storage capacity become more reliable. Buyers often need earlier ordering, tighter scheduling, and on-site shade or cooling practices.