Aerospace Filament Winding Carbon Fiber 24K(AFW-24K)

Description

1. Product Overview

The Aerospace Filament Winding Carbon Fiber 24K (AFW-24K) is a high-tensile, continuous-strand carbon fiber roving engineered specifically for automated filament winding processes. Its primary industrial application is the production of primary and secondary aerospace-grade composite structures, including fuselage sections, rocket motor casings, and hydrogen pressure vessels. The key value proposition is an exceptional strength-to-weight ratio combined with superior resin wettability and void-free layup, enabling manufacturers to reduce structural mass by up to 30% while maintaining FAA/EASA-certifiable fatigue resistance. Strategically, this product is critical as the global shift toward next-generation fuel-efficient aircraft and space launch systems demands predictable, high-throughput composite materials with traceable mechanical performance.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Polyacrylonitrile (PAN)-based precursor, carbonized >95% carbon content, proprietary thermoset-compatible sizing (epoxy-compatible)

• Grade: Aerospace structural grade (ASTM D4018 compliant), 24,000 continuous filaments per tow, low-torque twist

• Physical Characteristics:

  • Form: Continuous roving on precision-wound spools

  • Color: Matte black

  • Filament diameter: 7.0 µm ± 0.2 µm

  • Density: 1.78 g/cm³

  • Tensile strength: 4,900 MPa (min)

  • Tensile modulus: 240 GPa

  • Strain to failure: 2.0% ± 0.2%

• Packaging Options: AS23190 spools (4 kg net), vacuum-sealed desiccant liner, fiberboard outer cartons (6 spools/carton)

• Shelf Life: 36 months from manufacture when stored at 15-25°C / <60% RH, unopened

3. Core Industrial Applications

• Primary Industries: Aerospace (fixed-wing & rotary), space launch (solid/liquid motor casings), hydrogen mobility (Type IV and V pressure vessels), and industrial gas storage

• Operational Use Cases:

  • Filament winding of cryogenic hydrogen tanks (700 bar burst pressure rating)

  • Automated fiber placement (AFP) for wing spar reinforcements

  • Radial winding for composite drive shafts and landing gear struts

• Why It Performs Better: Unlike standard 12K or 24K commercial tow, AFW-24K features precision filament tension control and a proprietary sizing that reduces bridging and trapped air during high-speed winding (up to 8 m/sec). This yields ≤1.5% void content vs. standard 3-5%, improving interlaminar shear strength by 22%.

• Efficiency/Cost Advantage: 24K tow count reduces layup passes by 50% versus 12K, cutting labor and winding time by 30–40% on large-diameter vessels, with no loss in fatigue life.

4. Competitive Advantages

• Quality Consistency: Statistical process control (SPC) with Cpk ≥1.33 across all mechanical properties; each lot tested to Nadcap AC7124 criteria with full material traceability (heat-to-heat)

• Supply Reliability: Dual-source precursor supply (Japan & USA) with 12-month rolling forecast commitment and buffer stock at three regional warehouses (Americas, EMEA, Asia-Pacific)

• Logistics Capability: Direct-to-line delivery with real-time shipment tracking; temperature-controlled container options for high-humidity destinations

• Price Competitiveness: Tier-1 performance at 15–20% below incumbent aerospace tow pricing through vertical integration (precursor to finished roving)

• Sustainability: ISO 14064-1 certified carbon footprint; 92% of manufacturing energy from hydroelectric sources; recyclable packaging and post-industrial waste take-back program

• Technical Support: Dedicated winding simulation support (Cadfil & CGTech profiles), on-site process optimization audits, and full material declaration (REACH, RoHS, conflict mineral-free)

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 500 kg per product grade (mix of spool sizes allowed)

• BULK 20MT: Full 20-foot container load = 20 metric tons net (approx. 5,000 spools of 4 kg each)

• Loading Capacity (MT per 20FT container): Maximum 22 MT net (palletized with desiccant and corner protection); standard industrial loading = 20 MT for customs compliance and load stability