The unidirectional tape (UD) market is estimated at USD 4,135.5 million in 2026, is projected to reach USD 8,522.6 million by 2036 and is forecast to register a 7.5% CAGR between 2026 and 2036. In 2026, carbon fiber holds 56.0% within the fiber type segment and aerospace represents 48.0% of the application category.