manufacturer- graphite felt, pyrolytic graphite, carbon carbon composite

2025年10月14日星期二

Rigid Graphite Felt Boards for Energy Storage Application: Thermal Management Solutions

1. Introduction: What Are Rigid Graphite Felt Boards for Energy Storage Applications?

Rigid graphite felt boards are high-performance insulation materials manufactured by compressing and graphitizing carbon fibers into semi-rigid panels. These boards exhibit exceptional thermal stability, low thermal conductivity, and high corrosion resistance, making them ideal for extreme-temperature environments. In energy storage applications, such as advanced battery systems, thermal energy storage (TES), and fuel cells, rigid graphite felts serve as critical components for heat insulation, electrodes, and structural supports. They enable efficient thermal management, reduce energy loss, and enhance the longevity of energy storage systems operating at temperatures up to 3000°C in inert atmospheres.

2. Product Classification: Tailored Solutions for Diverse Needs

CFCCARBON offers two primary types of rigid graphite felt boards, engineered to meet specific operational demands:

Long Fiber Rigid Graphite Felt Boards: Made from continuous rayon or PAN-based carbon fibers, these boards provide superior mechanical strength (flexural strength up to 0.9 MPa) and uniform thermal distribution. They are ideal for applications requiring repeated thermal cycling, such as solar thermal storage and aerospace power systems.
Short Fiber Molded Integral Rigid Graphite Felt Boards: Utilizing chopped carbon fibers bonded with resin, these boards feature enhanced dimensional stability and cost-effectiveness. They are commonly used in large-scale battery modules and industrial heat recuperators

3. Key Performance Metrics: Engineering Excellence

Rigid graphite felt boards from CFCCARBON adhere to stringent technical specifications, ensuring reliability in energy storage systems:

Types	Laminated /Sandwich		short fiber /integral
Grade name	PRF-3	RRF-3	RRF-3W	RRF-3WP
Material type	PAN, long fiber, laminated.	Rayon, long fiber, laminated.	Rayon, short fiber, molded, integral	purified RRF-3W
Standard size /mm	1800-1500-(20-200)		1600-1260-460
Carbon content	≥99.9%	≥99.9%	≥99.92%	≥99.99%
Ash content	500PPM	500PPM	≤800PPM	≤20PPM
Bulk density /g/cm3	0.20~0.30	0.18~0.22	0.17±0.01
Thermal conductivity (25°C)	＜0.20W/m.K	＜0.10W/m.K	＜0.10W/m.K
Thermal conductivity (1000°C)	＜0.70W/m.K	＜0.50W/m.K	＜0.30W/m.K
Compressive strength /Mpa	1.2	0.9	0.7
Bending strength /Mpa	1.5	1.1	0.9
Processing temperature	2000 ℃	2000 ℃	2100 ℃
Application temperature (Vacuum/inert gases)	1200~2500 ℃	1600~2500 ℃	1600~3000 ℃
Application temperature (Oxygen)	≤400 ℃	≤450 ℃	≤400 ℃

Density for w.t calculation	0.25g/cm3	0.20g/cm3	0.18g/cm3
Additional Process	with foil and or CFC, or coating, purification (≤20PPM)	with foil and or CFC, or coating, purification (≤20PPM)	with coating

4. Applications in Energy Storage: Driving Innovation

Thermal Energy Storage (TES): Rigid graphite boards insulate molten salt containers in concentrated solar power (CSP) plants, reducing heat loss by 30% and improving overall efficiency.
Fuel Cells: As gas diffusion layers (GDLs), they facilitate uniform reactant distribution and enhance conductivity in hydrogen fuel cells.
Advanced Batteries: In sodium-sulfur (Na-S) and lithium-ion batteries, the boards act as thermal barriers, mitigating thermal runaway risks

5. CFCCARBON’s Competitive Edge: Quality, Affordability, and Service

Cost Efficiency: Direct manufacturing capabilities enable 15–50% lower pricing than competitors without compromising quality.
Rapid Delivery: Standard orders fulfilled within 10–15 days, supported by streamlined logistics.
Customization: Boards can be tailored to unique dimensions (e.g., thickness: 10–120 mm, width: up to 1600 mm) and laminated with CFC or graphite foil for specific needs.
Free Samples: Pre-production samples available for client testing and validation.

6. Sustainability and Future Outlook

Rigid graphite felts contribute to sustainable energy solutions by:

Extending Equipment Lifespan: Resisting degradation under cyclic heating, they reduce replacement frequency.
Enabling Green Technologies: Support the growth of renewable energy systems like grid-scale storage and carbon-neutral
carbon graphite felt insulation soft hard rigid board short long fiber chopped material manufacturer factory China (13)
hydrogen production.
CFCCARBON is pioneering nano-enhanced felts doped with graphene to achieve 15% lower thermal conductivity and self-monitoring capabilities for next-generation smart grids

7. Visual and Pricing Overview

Product Images:

Image 1: Long fiber boards with uniform fibrous texture.
Image 2: Short fiber boards molded into complex shapes.

Pricing Table:

Small samples: Free;
Trial orders: Low prices and fast shipping;
Large orders: Discounted prices and short delivery times.

Semiconductor, rigid, graphite, felt, optical fiber, sapphire, silicon carbide, crystal growth, epitaxy, thermal equipment, Rayon, short fiber, SGL, third-generation, material, manufacturer, (3)

8. Conclusion: Partner with CFCCARBON for Cutting-Edge Solutions

Rigid graphite felt boards are indispensable to the future of energy storage, combining unparalleled thermal management with mechanical robustness. CFCCARBON’s expertise, competitive pricing, and commitment to innovation position them as the ideal partner for industries seeking reliable high-temperature materials.

Contact Us Today:

Email: potter@cfccarbon.com
Phone: +86-18910941489 (Marketing Center)
Explore Products: CFCCARBON Rigid Graphite Felt

2025年8月20日星期三

Carbon & Graphite Insulation Boards | Rigid Graphite Felts manufacturer

Title: Innovating High-Temperature Solutions: Carbon & Graphite Insulation Boards | Rigid Graphite Felts

August 20, 2025 — As industries worldwide seek advanced thermal management materials for extreme environments, CFC Carbon Co., Ltd. emerges as a global leader in manufacturing high-performance carbon and graphite insulation boards and rigid graphite felts. With decades of expertise and patented technologies, the company delivers unmatched quality, cost efficiency, and reliability to sectors including aerospace, metallurgy, and energy.

1. Advanced Materials for Extreme Conditions

carbon graphite felt insulation soft hard rigid board short long fiber chopped material manufacturer factory China (13)

Carbon and graphite insulation materials are engineered to withstand temperatures exceeding 2000°C while maintaining structural integrity. Unlike conventional ceramics, these materials combine high-purity graphite matrices with reinforced carbon fibers to achieve:

Ultra-Low Thermal Conductivity (as low as 0.05 W/m·K at 1000°C).
Exceptional Thermal Shock Resistance, ensuring stability under rapid temperature fluctuations.
Lightweight Properties (density: 0.2–1.2 g/cm³), reducing energy consumption in industrial furnaces by 20–40%28.

CFC Carbon’s products are tailored for diverse applications, including:

Vacuum Furnaces: Rigid graphite felts provide seamless insulation for crystal growth systems.
Aerospace: Insulation boards protect critical components in rocket nozzles and re-entry vehicles.
rigid carbon graphite felt insulation boards surface processing+foil+CFC
Metallurgy: Linings for aluminum reduction cells enhance durability and reduce maintenance costs.

2. Proprietary Manufacturing Process

CFC Carbon’s innovation lies in its Ultra-High-Pressure Impregnation Carbonization (UHPIC) technology, which accelerates production cycles by 50–70% while enhancing material performance:

Preform Fabrication: Carbon fibers (PAN-based T700/T300) are woven into 2D, 2.5D, or 3D architectures tailored to client specifications.
Matrix Densification:
- Liquid Precursor Route: Coal tar pitch or phenolic resin impregnation under 100 MPa pressure.
- Gas-Phase Route: Chemical Vapor Infiltration (CVI) deposits pyrolytic carbon for uniform density (>1.95 g/cm³).
Fast Carbonization: Rapid heating (1000°C/min) to 2500°C minimizes residual stress and optimizes graphitization.

This process ensures higher oxidation resistance and mechanical strength compared to industry standards.

3. Key Product Specifications

CFC Carbon’s products outperform competitors in critical metrics:

Property	Graphite Insulation Boards	Rigid Graphite Felts	Industry Average
Max Service Temperature	3000°C (inert)	2200°C (with SiC coating)	2800°C
Density	0.6–1.2 g/cm³	0.2–0.6 g/cm³	0.7–1.5 g/cm³
Thermal Conductivity	0.05–0.3 W/m·K	0.1–0.4 W/m·K	0.1–0.5 W/m·K
Compressive Strength	15–20 MPa	5–10 MPa	10–15 MPa
Oxidation Resistance	Excellent (SiC-coated)	High (1200°C in air)	Moderate

Data sourced from CFC Carbon’s technical documentation and independent testing reports.

Please check the data sheet/properties of rigid graphite felt, Graphite Insulation Boards at: https://www.cfccarbon.com/wp-content/uploads/2025/08/0304-Rigid-graphite-felt-board-ENGLISH-2.pdf

4. Competitive Advantages: Why Choose CFC Carbon?

Semiconductor, rigid, graphite, felt, optical fiber, sapphire, silicon carbide, crystal growth, epitaxy, thermal equipment, Rayon, short fiber, SGL, third-generation, material, manufacturer, (3)

Cost Efficiency: Direct manufacturing and economies of scale enable 15–20% lower pricing than competitors (e.g., SGL Carbon, Mersen) without compromising quality.
Rapid Delivery: Standard orders fulfilled within 2–3 weeks (30% faster than market average) due to streamlined logistics.
Robust Packaging: Triple-layer waterproof and shock-absorbent materials ensure damage-free global shipping.
Technical Expertise: 45+ years of R&D experience2, with support for custom designs (e.g., non-standard shapes, hybrid coatings).
Free Samples: Pre-production samples provided for client testing and validation.

5. Global Impact and Sustainability

CFC Carbon’s materials contribute to energy efficiency and sustainability:

Energy Savings: Low thermal conductivity reduces furnace energy consumption by 20–40% in steel and aluminum plants.
Longevity: Products last 3–5× longer than ceramic alternatives, reducing waste.
Recyclability: Graphite scraps are repurposed for lower-grade applications, minimizing environmental impact.

6. Connect with CFC Carbon

Experience the synergy of quality, affordability, and innovation. Contact us for tailored solutions:

Explore Products: Graphite Insulation Boards | Rigid Graphite Felts
Direct Inquiry: Email potter@cfccarbon.com or call +86-18910941489 (whatsapp).
Global Shipping: Facilities in Beijing support worldwide distribution with real-time tracking.

Request your free sample today and join 500+ industrial partners trusting CFC Carbon for extreme-temperature success.

2025年6月4日星期三

Multilingual website launched! https://world.cfccarbon.com/

Multilingual website launched!

https://world.cfccarbon.com/

High performamce carbon fiber reinforced composites using CVI CVD methods

[Introduction to CVI CVD Technology]

Chemical Vapor Infiltration (CVI) and Chemical Vapor Deposition (CVD) are advanced manufacturing processes used to produce high-performance carbon-carbon (C/C) composite materials. These techniques involve the infiltration of carbon fibers with a carbon matrix through gas-phase reactions, resulting in materials with exceptional thermal stability, mechanical strength, and resistance to extreme environments. As a leading manufacturer in China, we specialize in CVI CVD carbon-carbon composites, serving industries such as

3D carbon fiber composite material manufacturer factory -airplane brake disc plates sheets U L profiles-2D(s)

aerospace, braking systems, and high-temperature furnaces.

[Carbon-Carbon Composite Production Process]
The production of carbon-carbon composites involves multiple steps, including fiber preform fabrication, carbon matrix deposition, and high-temperature graphitization. The key to achieving superior material properties lies in the CVI CVD process, where hydrocarbon gases (such as methane or propane) decompose at elevated temperatures, depositing pyrolytic carbon onto the fiber substrate. This method ensures uniform matrix distribution, enhancing the composite’s density and structural integrity.

[Advantages of CVI CVD in Carbon-Carbon Composites]
Compared to traditional methods like resin impregnation, CVI CVD offers significant advantages. It enables near-net-shape production with minimal fiber damage, improves mechanical performance, and enhances oxidation resistance. Additionally, the process allows for precise control over matrix microstructure, tailoring the material for specific applications such as rocket nozzles or aircraft brake discs.

[Applications of CVI CVD Carbon-Carbon Composites]
Our CVI CVD carbon-carbon composites are widely used in extreme environments. In aerospace, they are critical for re-entry vehicle heat

carbon fiber composite material manufacturer in China(1)

shields and propulsion components. Industrial applications include furnace fixtures and semiconductor processing equipment, where high purity and thermal conductivity are essential. The automotive sector benefits from their use in high-performance braking systems, reducing weight while improving durability.

[China’s Role in CVI CVD Carbon-Carbon Manufacturing]
As a premier manufacturer in China, we leverage cutting-edge CVI CVD technology to meet global demand for high-quality carbon-carbon composites. Our facilities adhere to stringent quality standards, ensuring reliability for mission-critical applications. With continuous R&D investments, we innovate in areas like rapid CVI cycles and hybrid processing techniques to further optimize material performance.

[Conclusion]
CVI CVD carbon-carbon composites represent the pinnacle of advanced material engineering, combining lightweight properties with unmatched thermal and mechanical resilience. As a trusted Chinese manufacturer, we are committed to delivering top-tier solutions for industries pushing the boundaries of technology. Explore our products and expertise at CFCcarbon.com to learn how our composites can elevate your applications.

(Word count: ~500. For a 2000-word article, each section can be expanded with technical details, case studies, and customer testimonials.)

Note: For extended content, additional subsections such as “Quality Control in CVI CVD Processing”, “Comparative Analysis with Other Composites”, or “Future Trends in Carbon-Carbon Materials” can be included, along with specific data from CFCcarbon.com. Let me know if you’d like to elaborate on any segment!

Tribological Performance of Fast-Carbonized Carbon/Carbon Composites

Title: Tribological Performance of Fast-Carbonized Carbon/Carbon Composites: A Breakthrough in High-Temperature Friction Solutions

Introduction
Carbon-carbon (C/C) composites, renowned for their exceptional thermal stability and mechanical strength, are revolutionizing industries requiring extreme durability under harsh conditions. Among these, fast-carbonized carbon/carbon composites stand out as a cutting-edge innovation, offering unparalleled tribological performance for high-temperature applications. This article explores the manufacturing, classification, and unique properties of these materials, with a focus on their friction and wear resistance capabilities.

3D carbon fiber composite material manufacturer factory (3)

What Are Carbon/Carbon Composites?
Carbon/carbon composites (C/C) are advanced materials composed of carbon fiber reinforcements embedded in a carbon matrix. This all-carbon structure combines the high strength-to-weight ratio of carbon fibers with the thermal and chemical stability of carbon matrices, making them ideal for aerospace, automotive braking systems, and industrial machinery814. CFC Carbon Co., Ltd., a global leader in C/C production, utilizes advanced techniques like chemical vapor infiltration (CVI) and pitch-based densification to create composites with densities up to 1.95 g/cm³ and tailored microstructures.

Fast-Carbonized C/C Composites: A Game-Changer
Fast-carbonized C/C composites are engineered through accelerated pyrolysis and densification processes. Unlike traditional methods requiring months for matrix carbonization, this approach employs high-pressure impregnation (HPIC) and rapid thermal gradient CVI to reduce production cycles by 50–70% while maintaining superior material integrity. For example, CFC Carbon’s patented ultra-high-pressure impregnation and carbonization (UHPIC) achieves full densification in weeks rather than months, optimizing efficiency for industrial-scale applications.

Production Process: Precision and Innovation

Preform Fabrication: Carbon fibers are woven into 2D, 2.5D, or 3D architectures to meet specific mechanical and thermal requirements.
Matrix Densification:
carbon fiber composite material manufacturer in China(1)
- Liquid Precursor Route: Pitch or resin is impregnated under high pressure (up to 100 MPa) to maximize carbon yield (90%+).
- Gas-Phase Route: CVI deposits pyrolytic carbon within preform pores, enhancing density and oxidation resistance.
Fast Carbonization: Controlled rapid heating (up to 3000°C) forms a highly graphitized matrix, reducing residual stress and improving tribological properties.

Classification of C/C Composites
CFC Carbon’s product portfolio includes:

2D Composites: Ideal for flat components like heater plates, offering balanced in-plane strength.
2.5D Composites: Enhanced interlayer bonding for aircraft brakes, reducing wear by 25–50% compared to steel.
3D/4D Composites: Multidirectional fiber alignment for rocket nozzles and hypersonic vehicle components, withstanding temperatures exceeding 3000°C.

Key Properties Driving Tribological Excellence

C-SIC

High-Temperature Stability: Retains 85% of room-temperature strength at 2500°C, critical for brake discs and turbine components.
Low Thermal Expansion: Minimizes dimensional changes during thermal cycling, ensuring consistent friction coefficients.
Self-Lubricating Behavior: Carbon’s layered structure reduces adhesive wear, achieving friction coefficients as low as 0.1–0.3 under dry conditions.
Abrasion Resistance: Nano-crystalline graphite matrices (e.g., CFC Carbon’s S-C/C composites) exhibit linear ablation rates of 0.03 mm/s at 3000°C, outperforming conventional ceramics.

Tribological Performance in Real-World Applications

Aerospace Brakes: CFC Carbon’s 2.5D C/C brake discs demonstrate 3000+ landing cycles with minimal wear, thanks to their low density (1/4 of steel) and high thermal conductivity.
Industrial Machinery: Copper-impregnated C/C seals reduce friction losses by 40% in high-load bearings, enhancing energy efficiency.
Hypersonic Vehicles: 3D composites with SiC coatings achieve ablation rates 34% lower than traditional materials, ensuring longevity in extreme environments.

Conclusion
Fast-carbonized C/C composites represent a paradigm shift in high-temperature tribology, combining rapid manufacturing with unmatched wear resistance. As industries demand lighter, more durable solutions, CFC Carbon’s innovations in material design—such as 3D architectures and hybrid ceramic matrices—position these composites at the forefront of advanced engineering. For more details, explore CFC Carbon’s product portfolio or their technical insights on C/C manufacturing.

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