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Resin Infusion Carbon Fiber Cloth is specifically manufactured for vacuum-assisted resin infusion processes where rapid and uniform resin distribution is essential. The fabric features a controlled weave architecture with optimized tow spacing and surface texture to maximize in-plane permeability while maintaining fiber alignment. A specialized low-tack sizing promotes immediate resin wet-out without inhibiting flow front advancement. This cloth is available in areal weights from 200 to 800 g/m², with tow sizes of 3k, 6k, and 12k, and is compatible with epoxy, vinyl ester, and polyester infusion resins. The product is designed for large-scale components where process speed and laminate quality directly impact production economics.
Flow Performance Data
In-plane permeability k₁ 4.5 – 8.0 × 10⁻¹⁰ m²
Transverse permeability k₂ 3.8 – 6.5 × 10⁻¹⁰ m²
Through-thickness k₃ 1.8 – 3.2 × 10⁻¹¹ m²
Flow front velocity (100 cP / 30 °C) 6 – 10 cm/min
Saturation time (500 × 500 mm panel) ≤ 12 min
Recommended injection pressure 0.3 – 0.7 bar
Process Windows & Resin Compatibility
Epoxy infusion resins Viscosity: 80–250 cP · Temp: 20–40 °C · Cure: 24h RT + post-cure Complete wet-out within 60 seconds
Vinyl ester infusion Viscosity: 100–300 cP · Temp: 18–35 °C · Cure: 4–6h RT Excellent compatibility with standard sizing
Polyester infusion Viscosity: 120–350 cP · Temp: 20–35 °C · Cure: 6–8h RT Use low-shrinkage formulations for dimensional control
High-temperature epoxy Viscosity: 150–400 cP · Temp: 40–60 °C · Cure: 8h @ 80 °C Pre-heat mold to reduce viscosity before injection
Fabric Specifications
Tow size 3k, 6k, 12k
Areal weight 200, 400, 600, 800 g/m²
Weave pattern Plain, twill, or unidirectional
Thickness (nominal) 0.25 – 1.10 mm
Sizing type Low-tack epoxy compatible (0.8–1.4%)
Roll width 1000, 1270, 1500 mm
Roll length 25, 50, 100 m
Infusion Best Practices
- Flow media: Use 2–4 mm low-density mesh; place at least 30 mm from part edges.
- Vacuum level: Maintain 0.85–0.95 bar absolute for consistent flow front.
- Resin degassing: De-gas resin for 10–15 minutes before injection to reduce micro-voids.
- Inlet placement: Position inlet at lowest point; vacuum outlet at highest point.
- Compaction: Apply 0.6–0.8 bar vacuum pressure during infusion and cure.
Infusion Q&A
How to prevent dry spots during infusion? Ensure adequate flow media coverage; add secondary inlet lines for large panels.
What is the optimal fiber volume fraction? 55% – 62% under standard infusion conditions; adjust via compaction pressure.
Can this cloth be used for prepreg? Not recommended; prepreg formulations require different sizing chemistry.
How to store partially used rolls? Reseal in moisture-barrier bag with desiccant; use within 10 days of opening.
+86-13961668677
No. 61, Xingyuan Road, Jiefang Village, Gushan Town, Jiangyin City, Jiangsu Province, China.