The automotive sealing tape market is partitioned primarily by end‑use application, a structure that drives demand forecasting and capacity planning. Body & exterior sealing, which includes door jambs, roof rails, and panel joints, accounts for roughly 30 % of total spend because manufacturers prioritize corrosion resistance and acoustic damping. Powertrain applications—such as engine‑compartment gaskets, transmission housing seals, and fuel‑system barriers—represent about 25 % of revenue, reflecting the high volume of units and stringent temperature‑cycle requirements. Interior uses, covering dashboard trim, door‑panel seams, and sound‑proofing layers, contribute 20 % as OEMs seek weight‑reduction without sacrificing NVH performance. Electrical sealing, encompassing wiring‑harness protection, connector insulation, and sensor enclosures, holds 15 % of the market, driven by the rise of advanced driver‑assistance systems. Finally, HVAC & climate‑control sealing, which includes duct‑liner and evaporator‑coil wraps, makes up the remaining 10 %. This Automotive Sealing Tape segmentation by application aligns with the observed allocation of R&D budgets and production capacity across the sector.