Custom Sizes Ultra-Thin Carbon Fiber Panels 3K Weave Matte / Glossy Finish

Product Specification

Custom Sizes Ultra-Thin Carbon Fiber Panels | 3K Weave, Matte/Glossy Finish

Carbon fiber is a high-performance material known for its exceptional strength-to-weight ratio, durability, and corrosion resistance. Among its various forms, thin carbon fiber sheets have gained significant attention in industries ranging from aerospace to consumer electronics. These sheets, typically ranging from 0.1 mm to 1 mm in thickness, offer a unique combination of lightweight properties and structural integrity.

Manufacturing Process of Thin Carbon Fiber Sheets

1. Precursor Materials: The primary raw material for carbon fiber is polyacrylonitrile (PAN), though petroleum pitch or rayon can also be used. PAN-based carbon fibers are the most common due to their superior mechanical properties.

2. Carbonization: The PAN fibers undergo oxidation at 200–300°C, followed by carbonization in an inert atmosphere at 1000–3000°C. This process removes non-carbon elements, leaving behind a high-purity carbon structure.

3. Weaving and Layering: Thin carbon fiber sheets are created by weaving carbon fibers into a unidirectional (UD) or woven fabric. These layers are then impregnated with a thermoset resin (e.g., epoxy, polyester, or vinyl ester) to form a composite sheet.

4. Curing and Finishing: The resin-impregnated sheets are cured under heat and pressure in an autoclave or compression molding process. Post-curing, the sheets are trimmed and polished to achieve the desired thickness and surface finish.

Key Properties of Thin Carbon Fiber Sheets

• High Strength-to-Weight Ratio: Despite being lightweight (density ~1.6 g/cm³), carbon fiber sheets offer tensile strength comparable to steel but at a fraction of the weight.
• Stiffness and Rigidity: The Young’s modulus of carbon fiber ranges from 200 to 800 GPa, making it ideal for applications requiring rigidity without excessive weight.
• Corrosion and Chemical Resistance: Unlike metals, carbon fiber does not rust or degrade when exposed to moisture, chemicals, or saltwater.
• Thermal and Electrical Conductivity: Carbon fiber conducts heat and electricity, making it useful in heat dissipation and electromagnetic shielding applications.
• Fatigue Resistance: Thin carbon fiber sheets outperform metals in long-term cyclic loading scenarios, reducing material fatigue in high-stress environments.

Thin carbon fiber sheets represent a revolutionary material in modern engineering, offering unparalleled strength, lightweight properties, and versatility. While challenges such as cost and recyclability persist, ongoing advancements promise broader adoption across industries.

As manufacturing techniques improve and sustainable alternatives emerge, thin carbon fiber sheets will continue to shape the future of aerospace, automotive, electronics, and beyond, reinforcing their status as a cornerstone of advanced material science.

Carbon Fiber Sheet Plate Specification: