Carbon Fiber Unidirectional Prepreg, often abbreviated as UD prepreg, is a composite material that combines carbon fibers aligned in a single, straight direction with a pre-impregnated resin system. The term "prepreg" comes from "pre-impregnated," indicating that the fibers are pre-coated with a specific amount of epoxy or thermoset resin before the material is laid up and cured in the final manufacturing process. This pre-impregnation ensures a precise resin-to-fiber ratio, leading to consistent and high-quality composite parts.
Properties:
l High Strength and Stiffness:
The unidirectional alignment of the carbon fibers maximizes their strength and stiffness along the fiber direction, making UD prepreg exceptionally strong in tension and compression along the fibers.
l Lightweight:
Carbon fiber materials are known for their high strength-to-weight ratios, making UD prepreg an ideal choice for applications where weight savings are crucial without sacrificing structural integrity.
l Customizable Resin Systems:
The resin matrix can be customized for specific performance requirements, such as enhanced toughness, heat resistance, or chemical resistance.
l Controlled Fiber Volume Fraction:
The prepreg manufacturing process allows for a precisely controlled fiber volume fraction, ensuring uniform mechanical properties throughout the part.
l Ease of Handling and Layup:
The resin is already in the material, which simplifies the layup process in mold making and reduces mess and waste associated with wet layup techniques.
Application:
l Aerospace:
Unidirectional prepregs are extensively used in aerospace applications, including aircraft structural components such as fuselage panels, wing spars, and stabilizers. Their superior strength and stiffness properties help meet stringent performance requirements while minimizing weight.
l Automotive:
In the automotive industry, unidirectional prepregs find application in high-performance vehicles, where lightweight construction and enhanced mechanical properties are critical for improving fuel efficiency and performance.
l Sports and Recreation:
From bicycle frames and tennis racquets to fishing rods and archery equipment, unidirectional prepregs are employed to create lightweight yet durable sporting goods that offer superior performance characteristics.
l Marine:
Unidirectional prepregs are used in marine applications such as boat hulls, masts, and hydrofoils, where their high strength and corrosion resistance contribute to improved performance and durability in harsh marine environments.
l Industrial and Infrastructure:
These prepregs are also utilized in various industrial and infrastructure applications, including wind turbine blades,
pressure vessels, and civil engineering structures, where their superior mechanical properties and lightweight nature offer advantages in terms of efficiency and longevity.
Specification:
Code | Dry Weight(g/m2) | Resin Content(%) | Total Weight(g/m2) | W(mm)*L(m) |
USN03000 | 30 | 55 | 76 | 1000*100 |
USN05000 | 50 | 45 | 91 | |
USN07500 | 75 | 38 | 121 | |
USN10000 | 100 | 33 | 150 | |
USN12500 | 125 | 33 | 187 | |
USN15000 | 150 | 33 | 224 | |
USN17500 | 175 | 33 | 261 | |
USN20000 | 200 | 33 | 298 | |
USN22500 | 225 | 33 | 337 | |
USN25000 | 250 | 33 | 374 |
*Specific products could be made according to customers’requirements.
