MIL-PRF-46187A, PERFORMANCE SPECIFICATION PREPREG, UNIDIRECTIONAL TAPE, CARBON (GRAPHITE) FIBER HIGH TEMPERATURE RESIN IMPREGNATED, 316°C (600°F) (14 AUG 1998) [SUPERSEDING MIL-P-46187]., This specification establishes the requirements for carbon fiber/high temperature resin prepreg in the form of unidirectional tape suitable for the fabrication of structural laminates intended for use at temperatures up to and including 316°C (600°F) (see 6.1).