Acid Brick segmentation by application delineates the end‑use environments where the material’s chemical resistance and structural durability drive demand. In the chemical processing sector, acid bricks are employed in reactors, storage tanks, and piping systems that handle hydrochloric, sulfuric, and nitric acids; this segment accounts for roughly 35 % of total revenue due to the high volume of corrosive streams. Power generation, particularly coal‑fired and nuclear plants, utilizes acid‑lined furnace linings and boiler tubes, contributing an estimated 25 % of the market. Water treatment facilities adopt acid bricks for pH‑adjustment basins and desalination units, representing about 20 % of sales. The pharmaceutical industry requires stringent contamination control, using acid‑resistant walls in synthesis reactors, which translates to 12 % of market size. Finally, food‑and‑beverage processing plants use acid bricks in acid‑cleaning zones, accounting for the remaining 8 %. These application‑specific allocations collectively define the overall Acid Brick market size, and projected industrial expansion and stricter environmental regulations are expected to sustain demand across all segments.