The Expanded PTFE Gasket Tape segmentation by application distinguishes five primary end‑use domains that collectively drive market volume. Automotive accounts for roughly 35 % of demand, reflecting the tape’s role in sealing fuel lines, exhaust systems, and valve train components where chemical resistance and low friction are critical. Aerospace contributes about 20 %, leveraged for high‑altitude hydraulic and pneumatic seals that must endure extreme temperature swings and stringent safety standards. Oil & Gas represents the largest industrial share at 25 %, where the material’s inertness against aggressive hydrocarbons and its ability to maintain integrity under high pressure are decisive factors. Industrial machinery (15 %) includes compressors, pumps, and heavy‑duty equipment, emphasizing durability under cyclic loading. Finally, electronics (5 %) captures niche uses in circuit board assemblies and connector sealing, where the tape’s dielectric properties are valued. Together, these application segments define the overall market size, with each proportion reflecting sector‑specific performance criteria and volume of units processed.