Sodium Orthosilicate segmentation by type distinguishes four chemically defined grades that collectively shape the supply chain. The anhydrous grade, representing roughly 40 % of production volume, is favored in high‑temperature glass melting because it introduces minimal moisture and maximizes melt fluidity. The dihydrate variant accounts for about 30 % and is the preferred form for detergent formulations, where its controlled water release aids in builder performance and storage stability. The pentahydrate grade, comprising roughly 20 % of output, finds niche use in catalyst supports that benefit from gradual dehydration during activation, thereby influencing pore development. Finally, technical‑grade material, which aggregates various hydration states for bulk industrial applications, supplies the remaining 10 % and is typically priced lower, supporting cost‑sensitive end‑uses. Each type’s physicochemical profile dictates its adoption rate, and the relative distribution of these grades directly reflects the underlying demand patterns identified in the application segmentation. Understanding this market taxonomy enables manufacturers to align production capacity with the nuanced requirements of each end‑user segment.