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Epoxy Resin-Based Carbon Fiber Prepreg

 
Epoxy resin is used as the bonding matrix, and carbon fibers are uniformly combined with resin. It combines the high strength and high modulus characteristics of carbon fibers with the excellent adhesion and formability of epoxy resin. It can be formed into various structural components through multiple processes such as molding, autoclave molding, and vacuum bag molding. After forming, the dimensional accuracy of the components is high and the mechanical properties are stable.
 
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Core Advantage

  • Outstanding cost performance: The process is mature and the mass production cost is controllable. It is currently the carbon fiber prepreg material category with the highest market application share.

  • Wide adaptability: Supports various carbon fiber forms such as unidirectional, plain weave, and twill weave, which can meet the molding requirements of different structural components.

  • Balanced performance: It features tensile strength, bending resistance and fatigue resistance, and has a low curing shrinkage rate (≤1%), making the components less prone to deformation after molding.

  • Complete certification: Can meet multiple industry standards such as ISO 9001, and adapt to compliance requirements in multiple fields.


Product Application

  • Aerospace field: Aircraft secondary load-bearing structural components (cabin doors, wing ribs), satellite brackets, unmanned aerial vehicle fuselages;

  • Wind power field: Main beams and root reinforcement layers of wind turbine blades, suitable for offshore/onshore wind power equipment;

  • Automotive field: Lightweight components such as body structural parts, drive shafts, and engine hoods;

  • Sports equipment: high-end bicycle racks, badminton rackets, golf clubs, skis;

  • Construction field: Reinforcement and strengthening strips for Bridges, tunnels, and ancient buildings.


Technical Parameters

Indicator Category Core Parameter Range
Matrix Resin Bisphenol A Type / Epoxy Resin / Cycloaliphatic Epoxy Resin
Fiber Specification 3K/6K/12K/24K/48K (Unidirectional / Woven Fabric)
Surface Density 150–400 gsm
Resin Content 28%–35% (Customizable)
Curing Process Medium-temperature curing (80–120°C) / High-temperature curing (120–180°C), Curing time: 60–120 min
Mechanical Properties Tensile strength ≥ 300 MPa, Flexural modulus ≥ 180 GPa, Elongation at break ≥ 1.5%
Heat Resistance Long-term service temperature: 80–120°C, Short-term resistance up to 150°C
Storage Conditions Store at -18°C, Shelf life: 6–12 months (Use within 7 days under normal temperature)


FAQ

1. What is the minimum order quantity (MOQ) for this product?

The standard MOQ is 500 square meters. For customized specifications (special resin content/fiber morphology), the MOQ can be negotiated to 300 square meters. Free sample application is supported (sample specifications 1-2 square meters).


2. Will storage conditions not reaching -18 ℃ affect product performance?

If stored in an environment of 0-5℃ for a short period (≤3 days), there will be no significant performance degradation. If stored at room temperature for more than 7 days, the resin will cure prematurely, resulting in a decline of over 30% in the mechanical properties of the formed components. It is recommended to store strictly in accordance with the refrigeration requirements.


3. Is it supported to customize the curing process parameters?

The curing temperature (60-180℃) and time can be adjusted according to the customer's molding equipment.

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