Industrial Grade Aluminum Hydroxide segmentation by application reveals five primary demand drivers. Water treatment accounts for roughly 35% of the market, driven by its role as a flocculant and pH regulator in municipal and industrial facilities; the high volume of municipal contracts translates into the largest revenue share. Flame retardants represent about 28%, reflecting stringent safety regulations in construction, automotive, and aerospace sectors, where aluminum hydroxide’s endothermic decomposition is valued for smoke suppression. Catalyst supports contribute 20%, as petrochemical and fine‑chemical producers rely on its high surface area and thermal stability for heterogeneous catalysis, generating steady, high‑margin sales. Pharmaceuticals hold 12% of the market, primarily for antacid formulations and as an excipient, where purity standards drive premium pricing. The remaining 5% comprises miscellaneous uses such as paper coating and polymer fillers, which, while smaller in volume, provide niche growth opportunities. Collectively, these application segments shape the overall market size by allocating resources, R&D focus, and pricing strategies across distinct end‑use landscapes.