The type segmentation of the DPS market focuses on chemical grade and physical form, which directly influence pricing, regulatory compliance, and end‑user suitability. Technical‑grade DPS, produced with ≥95 % purity, dominates volume sales because it satisfies most industrial requirements while remaining cost‑effective; it therefore represents the bulk of market turnover. Pharmaceutical‑grade DPS, exceeding 99 % purity and manufactured under GMP conditions, commands a premium price and occupies a smaller, high‑margin niche serving drug‑delivery research and specialty biocides. Specialty grades are customized for specific performance attributes—such as low‑odor, high‑viscosity, or enhanced thermal resistance—and are typically sold in limited batches to textile and water‑treatment clients seeking tailored solutions. Physical form further splits the market into solid (powder) and liquid (solution) variants; powders are preferred for bulk handling and storage efficiency, whereas liquids enable immediate integration into process streams, influencing adoption rates across applications. Understanding these type distinctions is essential for accurate market taxonomy and for forecasting shifts driven by regulatory tightening and end‑user demand for higher purity products.