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Carbon fiber hard felt
Carbon fiber dry preform sheet (not impregnated with resin, for carbon-carbon / carbon-ceramic applications) Raw materials: T400/T700 12K carbon fiber UD fabric + mesh needle-punched composite • Volume density: 0.40 - 0.60 g/cm³ • Open-cell porosity: 30% - 45% • Face density: 800 - 3000 g/㎡ • Thickness: 2 - 50 mm • Thickness tolerance: ±0.3 - ±1 mm • Needle-punch density: 16 - 30 needles/cm² • Carbon content: ≥95%; high-purity grade ≥99% • Ash content: ≤0.3% • Tensile strength (unprocessed): ≥20 MPa • Compressive strength: ≥15 MPa • Heat resistance: inert atmosphere ≤2200℃ • Applications: carbon-ceramic brake discs, photovoltaic thermal field insulation plates, C/C crucible plates 2. Epoxy resin carbon fiber sheet (structural parts, lightweighting, appearance parts) Standard 12K plain / diagonal fabric laminated • Density: 1.55 - 1.65 g/cm³ • Tensile strength: 3000 - 4500 MPa • Elastic modulus: 220 - 260 GPa • Bending strength: 600 - 1000 MPa • Interlayer shear strength: 40 - 60 MPa • Heat deformation temperature: 160 - 220℃ • Linear expansion coefficient: (0 - 3) × 10⁻⁶ /℃ • Absorption rate: ≤0.1% • Thickness: 0.2 - 50 mm • Tolerance: ±0.05 - ±0.2 mm • Surface: 3K glossy / matte, 12K plain / diagonal • Applications: automotive structural parts, battery guard plates, molds, medical plates 3. C/C carbon fiber high-temperature sheet (carbonization / graphitization, dedicated for photovoltaic thermal field) • Volume density: 1.60 - 1.90 g/cm³ • Porosity: 8% - 15% • Carbon content: ≥99.0% • Ash content: ≤0.1% • Bending strength: 120 - 220 MPa • Compressive strength: 180 - 300 MPa • Thermal conductivity: 10 - 120 W/(m・K) • Heat resistance temperature: 2000 - 2400℃ • Thermal expansion coefficient: ≤2 × 10⁻⁶ /℃ • Dimension tolerance: ±0.1 - ±0.5 mm • Applications: single crystal furnace insulation cylinder, crucible support plate, high-temperature furnace lining 4. C/SiC carbon ceramic sheet (wear-resistant, high-temperature resistant, anti-oxidation) • Density: 1.90 - 2.10 g/cm³ • Bending strength: 400 - 600 MPa • Fracture toughness: 6 - 12 MPa・m¹ᐟ² • Operating temperature: in air ≤1200℃ • Wear resistance: 5 - 10 times that of metal • Thermal shock stability: excellent, no cracking during rapid cooling and heating • Applications: brake discs, friction plates, high-temperature wear-resistant structural parts 5. General acceptance indicators (applicable to all sheets) • Appearance: no delamination, no bubbles, no missing yarns, no impurities • Fiber content: 60% - 70% (resin sheet); ≥95% (C/C sheet) • Flatness: ≤0.5 mm/m • Cutting accuracy: ±0.1 mm • Moisture content: ≤0.2%
- Parameters
Carbon fiber dry preform sheet (not impregnated with resin, for carbon-carbon / carbon-ceramic applications) Raw materials: T400/T700 12K carbon fiber UD fabric + mesh needle-punched composite • Volume density: 0.40 - 0.60 g/cm³ • Open-cell porosity: 30% - 45% • Face density: 800 - 3000 g/㎡ • Thickness: 2 - 50 mm • Thickness tolerance: ±0.3 - ±1 mm • Needle-punch density: 16 - 30 needles/cm² • Carbon content: ≥95%; high-purity grade ≥99% • Ash content: ≤0.3% • Tensile strength (unprocessed): ≥20 MPa • Compressive strength: ≥15 MPa • Heat resistance: inert atmosphere ≤2200℃ • Applications: carbon-ceramic brake discs, photovoltaic thermal field insulation plates, C/C crucible plates 2. Epoxy resin carbon fiber sheet (structural parts, lightweighting, appearance parts) Standard 12K plain / diagonal fabric laminated • Density: 1.55 - 1.65 g/cm³ • Tensile strength: 3000 - 4500 MPa • Elastic modulus: 220 - 260 GPa • Bending strength: 600 - 1000 MPa • Interlayer shear strength: 40 - 60 MPa • Heat deformation temperature: 160 - 220℃ • Linear expansion coefficient: (0 - 3) × 10⁻⁶ /℃ • Absorption rate: ≤0.1% • Thickness: 0.2 - 50 mm • Tolerance: ±0.05 - ±0.2 mm • Surface: 3K glossy / matte, 12K plain / diagonal • Applications: automotive structural parts, battery guard plates, molds, medical plates 3. C/C carbon fiber high-temperature sheet (carbonization / graphitization, dedicated for photovoltaic thermal field) • Volume density: 1.60 - 1.90 g/cm³ • Porosity: 8% - 15% • Carbon content: ≥99.0% • Ash content: ≤0.1% • Bending strength: 120 - 220 MPa • Compressive strength: 180 - 300 MPa • Thermal conductivity: 10 - 120 W/(m・K) • Heat resistance temperature: 2000 - 2400℃ • Thermal expansion coefficient: ≤2 × 10⁻⁶ /℃ • Dimension tolerance: ±0.1 - ±0.5 mm • Applications: single crystal furnace insulation cylinder, crucible support plate, high-temperature furnace lining 4. C/SiC carbon ceramic sheet (wear-resistant, high-temperature resistant, anti-oxidation) • Density: 1.90 - 2.10 g/cm³ • Bending strength: 400 - 600 MPa • Fracture toughness: 6 - 12 MPa・m¹ᐟ² • Operating temperature: in air ≤1200℃ • Wear resistance: 5 - 10 times that of metal • Thermal shock stability: excellent, no cracking during rapid cooling and heating • Applications: brake discs, friction plates, high-temperature wear-resistant structural parts 5. General acceptance indicators (applicable to all sheets) • Appearance: no delamination, no bubbles, no missing yarns, no impurities • Fiber content: 60% - 70% (resin sheet); ≥95% (C/C sheet) • Flatness: ≤0.5 mm/m • Cutting accuracy: ±0.1 mm • Moisture content: ≤0.2%
Carbon Fiber Sheet Product Classification + Performance Indicators + Application Scenarios (Simplified Version, Can Be Directly Used for Product Brochures / Quotation Sheets) 1. Main Product Types of Carbon Fiber Sheets 1. Carbon Fiber Bare Fabric Board (Dry State Without Resin, Preform Use) • Structure: Multi-layer Carbon Cloth / UD Fabric Laminated Needle-Punched or Bonded • State: Dry Board, Porous, Un-Cured • Application: Used for Carbon-Carbon / Carbon-Ceramic Preforms, Insulation Boards, Electrode Substrates 2. Carbon Fiber Composite Sheets (Resin Immersion Cured, Structural Components Use) • Epoxy Resin Board / Phenolic Board / Double-Material Board • Common Thickness: 1mm - 50mm • Surface: Matte, Glossy, Plain Weave, Diagonal Weave • Characteristics: Lightweight, High Strength, Corrosion Resistance, Dimensional Stability 3. C/C Carbon Fiber High-Temperature Sheets (Carbonization / Graphitization) • Temperature Resistance: 2000℃ + • Properties: High Strength, Anti-Thermal Shock, Low Thermal Expansion • Application: Photovoltaic Thermal Field, High-Temperature Furnace, Aviation Insulation 4. C/SiC Carbon Ceramic Wear-resistant Board • Wear Resistance, High Temperature Resistance, Anti-Oxidation • Mainly Used in: Brake Discs, Friction Sheets, High-Temperature Wear-resistant Structural Components 2. General Technical Parameters (Industry Standards) • Density: 1.55 - 1.65 g/cm³ • Tensile Strength: 3000 - 4500 MPa • Elastic Modulus: 200 - 260 GPa • Thermal Expansion Coefficient: Nearly Zero Expansion (≤ 3 × 10⁻⁶ /℃) • Thermal Conductivity: High Conductivity / Adjustable Insulation • Thickness Tolerance: ± 0.1 - ± 0.5 mm • Absorbency: ≤ 0.1% • Corrosion Resistance: Resistant to Acid, Alkali, Salt Spray, No Rust 3. Application Scenarios (By Industry) 1. Photovoltaic / Semiconductor Thermal Field (Your Core Business) • C/C Insulation Board, Support Board, Crucible Guard Board • Working Temperature: 1400 - 1800℃ • Advantage: No Slag Falling Off, No Impurity Pollution of Silicon Materials 2. Carbon Ceramic Brake / Friction Field • Carbon Ceramic Brake Disc Base Board, Friction Sheet Base Material • Characteristics: High Temperature Resistance 1200℃ +, Wear Resistance, No Thermal Degradation 3. Automotive Lightweighting • Battery Pack Under Guard Plate, Chassis Components, Interior Decorative Plate • Weight Reduction 40% - 60%, Improve Range 4. Rail Transit / High-Speed Train • Equipment Cover Plate, Seat Plate, Lightweight Structural Components • Fireproof, Flame Retardant, High Strength 5. Aerospace • Wing Skin, Cabin Structure, Heat Shield • High Temperature Resistance, Weight Reduction, Anti-Fatigue 6. Mold / Workpiece • Carbon Fiber Mold Plate, Inspection Tools, Fixtures • No Deformation, Light Weight, High Efficiency 7. Building Reinforcement • Carbon Fiber Plates Used for Beams, Columns, Bridge Plates Reinforcement • No Increase in Self-Weight, Strength Far Exceeds Steel 8. High-End Equipment / Medical Devices • Radiation Equipment Panel, Operating Table Plate, Mechanical Arm Structural Components • Transparent, Lightweight, High Strength
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