Technical Grade Sodium Hexametaphosphate segmentation by application reveals five primary end‑use categories. Water treatment accounts for the largest share, roughly 35 % of global demand, where the compound functions as a sequestrant and dispersant to prevent scale formation and improve flocculation efficiency. Detergent formulations represent about 25 % of the market; the phosphate’s chelating ability enhances surfactant performance and stabilises hard‑water conditions. Food processing consumes close to 20 % of supply, primarily as a texture modifier, emulsifier, and moisture‑retention agent in processed cheeses, canned vegetables, and meat products. Metal finishing contributes approximately 10 %, where the chemical acts as a corrosion inhibitor and scale‑preventer during electro‑plating and pickling operations. The residual 10 % is classified as others, encompassing niche uses such as ceramics, pulp‑and‑paper, and oil‑field applications. Collectively, these application segments drive the overall Technical Grade Sodium Hexametaphosphate market size, with water‑treatment and detergent sectors providing the principal growth vectors. These proportions also influence regional pricing dynamics and capacity planning decisions.