Carbon Fiber Unidirectional Prepreg

Carbon Fiber Unidirectional Prepreg

Carbon fiber unidirectional prepreg is a tape-shaped intermediate composite material manufactured by continuous carbon fibers aligned in parallel and impregnated with medium-temperature epoxy resin. The fibers are highly oriented.


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  • Product Overview
  • Product Features and Performance
  • Applications

The fibers are highly oriented. Laying-up design can be flexibly arranged according to structural load direction. Parts can be cured under heat and pressure via vacuum bag or autoclave process. The material features stable tack and controllable resin flow, suitable for manufacturing high-performance load-bearing composite components.


ParameterValue
Frozen storage-18℃
Frozen shelf life12 months
Out-time life (20~25℃ after thawing)≤14 days
NoteDo not re-freeze after thawing to prevent resin migration


ParameterValue
Heating rate0.5~2 ℃/min
Vacuum≥ -0.08 MPa
Consolidation pressure0.4~0.6 MPa
Dwell120℃, 90~120 min
Cooling rate≤3 ℃/min


Product Features and Performance

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Unidirectional fiber arrangement, outstanding tensile strength and modulus along 0° direction, enabling directional structural optimization.

Uniform resin content and thorough impregnation, resulting in low void content and consistent mechanical properties of laminates.

Medium-temperature curing system with proper processing window, balancing production efficiency and comprehensive mechanical performance.

Stored under frozen condition; good conformability and tackiness after thawing.

Can be co-laminated with woven prepreg to realize integrated design of stiffness, strength and impact resistance.

Low density, high specific strength and specific modulus, excellent lightweight effect.

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Applications

Aerospace secondary load-bearing components, lightweight structural parts for rail transit, new energy energy storage enclosures, auxiliary structures of wind turbine blades, high-end sports equipment, robotic arms, UAV fuselage and spars, high-performance marine parts, lightweight components for construction machinery.

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