Cyanate Carbon Fiber Prepreg Suppliers

Cyanate Carbon Fiber Prepreg from a Vertically Integrated Chinese Factory

As a Cyanate Carbon Fiber Prepreg Suppliers, we match product configuration to the application, operating limits, interfaces and acceptance criteria defined for each project.

Jiangyin Dongli New Materials Technology Co., Ltd. supplies cyanate carbon fiber prepreg as a semi-finished material engineered for high-temperature, low-outgassing composite structures. As a Cyanate Carbon Fiber Prepreg manufacturer, we control the entire chain from fiber weaving and resin formulation to prepregging and final component molding. Our 32,000-square-meter facility in Jiangyin includes climate-regulated workshops and 100,000-grade purification zones, ensuring consistent resin pick-up and low contamination for demanding aerospace, automotive, and electronics programs.

We produce cyanate prepreg on carbon fiber woven fabrics and unidirectional tapes, with resin content and areal weight tailored to your cure cycle and mechanical requirements. Whether you need a qualified material for satellite structures or a high-Tg system for electric vehicle battery enclosures, we configure the prepreg to your process and validate it through our in-house testing.

Why Cyanate Ester Resin?

Cyanate ester resins cross-link to form a polycyanurate network that outperforms standard epoxy in several key areas. Our cyanate carbon fiber prepreg delivers:

• High service temperature: Glass transition temperatures typically above 250°C, suitable for continuous use near engine bays and high-speed electronics.
• Low moisture absorption: Less than 1% saturation, minimizing dimensional change and microcracking in humid or space environments.
• Superior dielectric properties: Low dielectric constant and loss tangent, ideal for radomes, antennas, and high-frequency circuit supports.
• Low outgassing: Meets stringent requirements for satellite and spacecraft applications where volatile condensables can damage optics or electronics.
• Good chemical resistance: Withstands fuels, hydraulic fluids, and solvents better than many epoxy systems.

Our Cyanate Prepreg Range

We offer cyanate prepreg in several reinforcement forms to match your structural and cost targets. Each can be supplied as rolls or slit tapes, with release film on one or both sides.

We also produce cyanate prepreg on other fiber types, such as glass or quartz, when your project requires specific dielectric or thermal performance. Contact us with your reinforcement and resin requirements.

Manufacturing and Quality Control

Our prepregging line operates in a controlled environment to maintain resin uniformity and low volatile content. We use hot-melt or solvent-based impregnation depending on resin viscosity and fiber type, then monitor key parameters:

• Resin content by weight, typically 35–45% for structural prepreg, verified by solvent extraction.
• Volatile content below 1% to prevent voids during cure.
• Gel time at specified temperatures to match your cure cycle.
• Tack level adjusted for hand layup or automated fiber placement.

Every batch is tested for mechanical properties using our 10KN microcomputer-controlled testing machine, and we retain samples for traceability. Our factory is certified under ISO 9001:2015, and we can provide material certificates and test reports with each shipment.

Processing and Cure Guidance

Cyanate prepreg requires a higher cure temperature than standard epoxy. We provide a recommended cure cycle based on your part thickness and tooling:

• Typical cure: 180°C for 2–4 hours under vacuum or autoclave pressure, followed by a post-cure at 220–250°C to achieve maximum Tg.
• Handling: Store at -18°C to extend out-time; thaw in sealed bag to prevent moisture condensation.
• Out-time: Up to 30 days at room temperature, depending on formulation—we confirm exact limits for each batch.

We support your process with technical data sheets and on-site assistance if needed. Our team can also help with mold design, layup sequence, and vacuum bagging techniques to avoid porosity.

Applications Across Industries

Our cyanate carbon fiber prepreg is used in sectors that demand high-temperature stability and dimensional precision:

• Aerospace: Engine nacelles, satellite panels, antenna reflectors, and structural brackets where low outgassing is critical.
• Automotive: Electric vehicle battery housings, motor end plates, and under-hood components that see elevated temperatures.
• Electronics: High-frequency circuit boards, radar covers, and semiconductor equipment parts requiring stable dielectric properties.
• Defense: Missile fins, radomes, and lightweight armor structures.

Customization and Project Support

We are not limited to standard rolls. As a one-stop factory, we can also mold finished parts using autoclave, RTM, or compression molding. If you need a complete component, we handle everything from prepreg to final machining.

Custom options include:

• Resin content adjustment for specific mechanical or dielectric targets.
• Fiber areal weight and weave pattern changes.
• Slitting to narrow widths for automated tape laying.
• Release film type and color coding for layup identification.

Information We Use to Configure Your Solution

To prepare an accurate quotation and technical proposal, we need the following from your side:

Frequently Asked Questions

What is the shelf life of your cyanate prepreg?

When stored at -18°C in sealed bags, our cyanate prepreg typically has a shelf life of 12 months from the date of manufacture. Each roll is labeled with the production date and recommended out-time. We also provide a thawing procedure to avoid moisture uptake.

Can you supply cyanate prepreg with a specific resin content?

Yes. We adjust resin content during impregnation to meet your target, usually between 35% and 45% by weight. For special dielectric or structural requirements, we can go outside that range after a feasibility review.

Do you provide material test data with each batch?

We provide a certificate of analysis including resin content, volatile content, gel time, and mechanical test results (tensile, flexural, or ILSS) as per your request. Additional testing can be arranged at our facility or a third-party lab.

What is the minimum order quantity for cyanate prepreg?

Our MOQ is typically 10 square meters for standard formulations, but we can discuss smaller quantities for prototyping or qualification programs. For production orders, we work with you to schedule efficient batch runs.

Can you help with the first molding trial?

Yes. We can supply trial rolls and provide technical guidance on cure cycles. If you prefer, we can also mold sample panels in our factory to verify mechanical properties before you commit to full production.