Application‑based De‑icing Agents segmentation isolates five end‑use categories that together define demand patterns across the transportation and infrastructure sectors. Aviation represents the most regulated segment, where strict performance standards and rapid melt requirements drive adoption of high‑efficacy salts and organic blends, contributing the largest share of market revenue. Road transportation—including highways, bridges, and parking facilities—relies heavily on sodium and calcium chloride formulations, reflecting a balance of cost and effectiveness. Railways employ a narrower range of agents, primarily calcium chloride, to maintain track integrity under freezing conditions. Marine operations, such as ports and ferries, use corrosion‑resistant compounds like magnesium chloride and potassium acetate to protect metal structures. Finally, Infrastructure (walkways, tunnels, and public spaces) adopts lower‑impact agents, often urea‑based, to meet environmental constraints. These application categories collectively shape the market’s growth trajectory, with each segment’s share reflected in the accompanying pie‑chart.