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Carbon fiber cloth
I. General Basic Indicators (Applicable to All Dry Fabrics) • Raw Materials: PAN-based T400 / T700 / T800 • Yarn Specifications: 3K / 6K / 12K / 24K • Single Fiber Diameter: 7 μm • Fiber Density: 1.76 g/cm³ • Carbon Content: ≥95% (≥99% for high-purity grade) • Bleaching Agent Type: Epoxy / Polyurethane • Bleaching Rate: 0.8% - 1.2% • Tensile Strength: ≥3500 MPa (T400); ≥4900 MPa (T700) • Elastic Modulus: 230 - 240 GPa • Elongation at Break: 1.5% - 2.0% • Width: 1000 mm / 1250 mm / 1500 mm • Moisture Content: ≤0.5% • Ash Content: ≤0.3% II. Knitted Fabrics (Plain / Twill / Satin) Parameters 1) Plain Weave (1×1) • Common Weights: 80 / 160 / 200 / 300 g/㎡ • Thickness: 0.08–0.18 mm • Weave Density: Approximately 4.0–6.0 strands/cm • Characteristics: Balanced bidirectional strength, stable size, and not prone to deformation 2) Twill Weave (2×2) • Common Weights: 200 / 240 / 300 / 400 g/㎡ • Characteristics: Good drape, strong moldability, and attractive appearance 3) Satin Weave (5HS/8HS) • Common Weights: 200 / 280 g/㎡ • Characteristics: Best flexibility, shiny surface, suitable for appearance parts III. UD Unidirectional Fabric (Most Common Industrial Grade) • Weight: 150 / 200 / 300 / 450 / 600 g/㎡ • Thickness: 0.10–0.35 mm • Weft (Fixed Thread): Polyester / Glass Fiber Weak Thread • Longitudinal Tensile Strength: ≥3800 MPa • Longitudinal Modulus: ≥240 GPa • Transverse Strength: Extremely Low (Only for Fixing Purpose) • Rapid Penetration Speed, Suitable for Preforms, Wind Power, Carbon Ceramic Reinforcement IV. Key Performance Indicators (Required for Export / Factory Inspection) 1. Face Density Deviation: ±3% (High Quality); ±5% (Qualified) 2. Unit Area Weight: Conforms to the nominal g/㎡ 3. Tensile Breaking Strength: ◦ Weft Direction ≥ Nominal Value ◦ Warp Direction ≥ Nominal Value 4. Shear Performance: No Slippage, No Layering, No Hairing 5. Heat Resistance: ◦ In Air: ≤450℃ ◦ In Inert Atmosphere: ≥2000℃ Stable 6. Corrosion Resistance: Resistant to acids and alkalis, salt fog, and does not rust. 7. Penetrability: The resin penetration time is short, without dry spots or bubbles. V. Recommended Parameters for Carbon Ceramic / Mesh Tire Specialized Dry Cloth You use T400 + black polypropylene mesh tire / carbon ceramic preform most commonly: • Specification: 12K plain weave 200g/㎡ or 300g/㎡ • Bleaching: Low bleaching amount ≤ 1.0% (有利于 high-temperature degreasing) • Thickness： 0.12–0.16 mm • Moderate porosity， easier CVI deposition • Strength meets the structure of the preform， not prone to needle puncture damage VI. Minimalist Parameter Table (Can be directly sent to customers / factories) • Product： Carbon fiber woven dry cloth • Model： 12K T400 • Organization： Plain weave • Weight： 200g/㎡ • Thickness： 0.12mm • Tensile strength： ≥ 3500MPa • Modulus： ≥ 230GPa • Bleaching rate： 1.0% • Width： 1000mm • Carbon content： ≥ 95% • Ash content： ≤ 0.3%
- Parameters
I. General Basic Indicators (Applicable to All Dry Fabrics) • Raw Materials: PAN-based T400 / T700 / T800 • Yarn Specifications: 3K / 6K / 12K / 24K • Single Fiber Diameter: 7 μm • Fiber Density: 1.76 g/cm³ • Carbon Content: ≥95% (≥99% for high-purity grade) • Bleaching Agent Type: Epoxy / Polyurethane • Bleaching Rate: 0.8% - 1.2% • Tensile Strength: ≥3500 MPa (T400); ≥4900 MPa (T700) • Elastic Modulus: 230 - 240 GPa • Elongation at Break: 1.5% - 2.0% • Width: 1000 mm / 1250 mm / 1500 mm • Moisture Content: ≤0.5% • Ash Content: ≤0.3% II. Knitted Fabrics (Plain / Twill / Satin) Parameters 1) Plain Weave (1×1) • Common Weights: 80 / 160 / 200 / 300 g/㎡ • Thickness: 0.08–0.18 mm • Weave Density: Approximately 4.0–6.0 strands/cm • Characteristics: Balanced bidirectional strength, stable size, and not prone to deformation 2) Twill Weave (2×2) • Common Weights: 200 / 240 / 300 / 400 g/㎡ • Characteristics: Good drape, strong moldability, and attractive appearance 3) Satin Weave (5HS/8HS) • Common Weights: 200 / 280 g/㎡ • Characteristics: Best flexibility, shiny surface, suitable for appearance parts III. UD Unidirectional Fabric (Most Common Industrial Grade) • Weight: 150 / 200 / 300 / 450 / 600 g/㎡ • Thickness: 0.10–0.35 mm • Weft (Fixed Thread): Polyester / Glass Fiber Weak Thread • Longitudinal Tensile Strength: ≥3800 MPa • Longitudinal Modulus: ≥240 GPa • Transverse Strength: Extremely Low (Only for Fixing Purpose) • Rapid Penetration Speed, Suitable for Preforms, Wind Power, Carbon Ceramic Reinforcement IV. Key Performance Indicators (Required for Export / Factory Inspection) 1. Face Density Deviation: ±3% (High Quality); ±5% (Qualified) 2. Unit Area Weight: Conforms to the nominal g/㎡ 3. Tensile Breaking Strength: ◦ Weft Direction ≥ Nominal Value ◦ Warp Direction ≥ Nominal Value 4. Shear Performance: No Slippage, No Layering, No Hairing 5. Heat Resistance: ◦ In Air: ≤450℃ ◦ In Inert Atmosphere: ≥2000℃ Stable 6. Corrosion Resistance: Resistant to acids and alkalis, salt fog, and does not rust. 7. Penetrability: The resin penetration time is short, without dry spots or bubbles. V. Recommended Parameters for Carbon Ceramic / Mesh Tire Specialized Dry Cloth You use T400 + black polypropylene mesh tire / carbon ceramic preform most commonly: • Specification: 12K plain weave 200g/㎡ or 300g/㎡ • Bleaching: Low bleaching amount ≤ 1.0% (有利于 high-temperature degreasing) • Thickness： 0.12–0.16 mm • Moderate porosity， easier CVI deposition • Strength meets the structure of the preform， not prone to needle puncture damage VI. Minimalist Parameter Table (Can be directly sent to customers / factories) • Product： Carbon fiber woven dry cloth • Model： 12K T400 • Organization： Plain weave • Weight： 200g/㎡ • Thickness： 0.12mm • Tensile strength： ≥ 3500MPa • Modulus： ≥ 230GPa • Bleaching rate： 1.0% • Width： 1000mm • Carbon content： ≥ 95% • Ash content： ≤ 0.3%
Carbon Fiber Dry Cloth (Resin-Free Dry Fabric) Comprehensive List of Categories, Properties + Applications
Base Material: PAN-based T300/T400/T700 raw fibers, divided into three categories: woven fabric, unidirectional UD fabric, and multi-directional warp-knitted fabric. Suitable for vacuum infusion, RTM, molding, carbon ceramic preforms, and PP mesh tire composite one, four mainstream dry fabric categories + Basic Parameters 1. Plain Weave Fabric (1×1 interlacing) • Common Specifications: 3K/6K/12K, weight 80/160/200/300g/㎡, thickness 0.07~0.17mm, width 1000/1250mm • Mechanical Properties: Balanced bidirectional strength, tensile strength of warp and weft ≥ 3500MPa, modulus ≥ 230GPa; optimal dimensional stability, not prone to deformation, flat laying • Advantages and Disadvantages: Dense fabric surface, good shearing performance; poor draping, difficult to cover complex curved surfaces • Applications: Flat molds, building reinforcement, carbon ceramic plate preforms, instrument shells, PP mixed-compound flat net tires 2. Diagonal Weave Fabric (2×2 mainstream) • Specifications: 3K/12K, 200/240/300/400g/㎡, thickness 0.11~0.22mm • Performance: Balanced bidirectional mechanics, excellent draping, strong ability to adhere to curved surfaces, beautiful texture, moderate resin penetration speed • Applications: Motorcycle shells, model aircraft, bicycle frames, special preforms, appearance parts, high-end sports equipment 3. Satin Weave Fabric (5HS/8HS five-ribbed) • Specifications: Mainly high-end 3K, 200~290g/㎡, smooth fabric surface, long float fibers • Performance: Best flexibility, easy to cover large curvature surfaces, high surface gloss; slightly lower shear resistance than plain weave • Applications: High-end luxury shell covers, racing covers, precision special composite materials 4. Unidirectional UD Dry Fabric (No weaving, fibers arranged in the same direction, largest industrial usage) • Specifications: 12K/24K, 150~600g/㎡, thickness 0.1~0.33mm, weft glass fiber sparse weft fixed fibers • Core Performance: Ultra-high strength in the direction of the fibers: longitudinal tensile strength ≥ 3800MPa, modulus ≥ 240GPa; lower strength in the transverse direction, directional reinforcement, resin penetration fast • Usage: Wind turbine blade main beams, building first-level reinforcement, carbon ceramic preform directional reinforcement, new energy vehicle chassis, pultrusion profiles (you prefer UD short cut / UD fabric for PP + T400 mesh tires) 5. Multi-directional Warp-knitted Fabric (0°/90°/±45° four directions, specially for wind power) • Weight 400~1200g/㎡, multi-layer fibers warp-knitted without interlacing, balanced multi-directional force • Performance: High strength in all directions, excellent fatigue resistance, good pouring and drainage • Application: Wind turbine blade skins, ship hulls, large RTM composite 2. General Key Physical and Chemical Properties (Common to all categories) 1. Density: 1.75~1.77g/cm³, only one-fourth of steel, lightweight core advantage 2. Carbon content: Industrial grade ≥ 95%, carbon ceramic / high-purity grade ≥ 99%, ash content ≤ 0.3% (avoiding high-temperature sintering impurities foaming) 3. Resin coating residue: 0.5%~1.2% (epoxy coating, suitable for epoxy / PP / phenolic bonding; degreased fabric < 0.2% suitable for carbon ceramic high-temperature carbonization) 4. Heat resistance: 420℃ oxidation in air, > 2200℃ stable in inert atmosphere; Resistant to acid, alkali, salt fog, non-corrosive, zero creep 5. Forming compatibility: Dry cloth without resin, compatible with ** vacuum infusion, RTM, molding, hot press tank, hot rolled composite PP (black polypropylene + T400 mesh fabric)** full process. III. Industry-specific application scenarios (aligned with your carbon ceramic + mesh fabric business) 1. Carbon ceramic preform / carbon powder + PP mesh fabric (your main business) • Plain weave 200/300g: Preform surface layer, uniform pores, combined with carbon fiber powder + black polypropylene hot-rolled into composite mesh tire; • 12K UD unidirectional fabric: Mesh tire directional reinforcement, enhancing mesh tire tensile strength, improving the strength of products after high-temperature carbonization; • Advantages: Dry cloth pores facilitate PP melt infiltration, forming connected pores after carbonization, increasing SiC infiltration volume. 2. Wind power new energy (the largest downstream) • UD unidirectional fabric: Main force of wind turbine main frame; Multi-axis fabric: Blade skin, blade root reinforcement; Weight reduction by 30% +, improving blade fatigue life by 20 years + 3. Building reinforcement National standard 12K-200g (0.111mm)/300g (0.167mm) unidirectional fabric, beam-column floor crack reinforcement, bridge reinforcement, without increasing component self-weight 4. Transportation & New Energy Vehicles Inclined weave fabric: Body covering parts; UD fabric: Chassis, battery box,整车 weight reduction， improving range 5. Aerospace 3K ribbed / plain weave prepreg substrate， fuselage secondary load-bearing parts， unmanned aircraft fuselage， T700/T800 high modulus dry fabric as the main material 6. Sports and leisure Inclined weave 3K fabric： Rackets， fishing rods， vehicle frames； Exposed appearance parts prefer inclined weave / ribbed IV. Selection comparison table (black polypropylene PP + T400 mesh fabric selection) 1. General ordinary mesh fabric： 12K plain weave 200g， high cost performance， mixed 200 mesh carbon powder + PP hot-rolled； 2. High-strength reinforcing mesh fabric： 12K unidirectional UD 300g， longitudinal tensile strength doubled； 3. Irregular curved surface mesh fabric： 12K inclined weave 300g， fits the mold without warping.
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