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8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality

8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality

SKU:FG-CF48350-01

Regular price $59.50 USD
Sale price $59.50 USD Regular price
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87 in stock

Width: 50"
Length: 1 Yard
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This 8.3oz '1st Quality' 4x4 Twill Weave Carbon Fiber is designed for outstanding performance. Its diagonal pattern drapes more easily than similar 8oz carbons, making it ideal for both structural and cosmetic applications. The intricate four over, four under weave adds a stylish touch to any project.

  • Fiber Type: High-strength carbon fiber (3K tow)
  • Weave Style: 4×4 Twill
  • Fabric Weight: 8.3 oz/yd² (282 gsm)
  • Width: 50″ (1.27 m)
  • Thickness: ~0.012″ (0.30 mm)
  • Tensile Strength: ~500 KSI
  • Tensile Modulus: ~33 MSI
  • Density: 1.8 g/cm³
  • Finish: Sizing compatible with epoxy, vinyl ester, and polyester resins
  • Roll Length: Sold by the linear yard (continuous when possible)

8.3 oz 4×4 Twill Carbon Fiber Fabric, 50″ wide by the linear yard

  • Heavyweight carbon fiber for increased strength and stiffness
  • 4×4 twill weave offers excellent drape and a bold visual texture
  • Ideal for parts requiring higher impact resistance and rigidity
  • Distinctive carbon fiber aesthetic for both functional and cosmetic uses
  • High stiffness-to-weight ratio for demanding applications
  • Compatible with a wide range of resin systems
  • Corrosion-resistant and impervious to moisture
  • Performs well in marine, automotive, aerospace, and sporting goods projects
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Technical Specifications


Carbon Fiber4x4 TwillWorks with Epoxy, Polyester, Vinyl Ester
MaterialCarbon Fiber
Weight8.3 oz/yd²
Weave / Construction4x4 Twill
Fiber Orientation0°/90° (woven)
Tow Size3K
Thickness0.010"
Available Widths50"
Full Roll Length100 yd
Resin-to-Reinforcement Ratio~50:50 by weight (≈1:1)
Compatible ResinsEpoxy, Polyester, Vinyl Ester
Best ForBold large-pattern carbon look with more build

Compare Fabrics


Product8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st QualityYou're viewingfrom $59.50 5.7oz 3K Plain Weave Carbon Fiber Fabric - 1st Quality5.7oz 3K Plain Weave Carbon Fiber Fabric - 1st Qualityfrom $49.50 5.7oz 3K 2x2 Twill Weave Carbon Fiber Fabric - 1st Quality5.7oz 3K 2x2 Twill Weave Carbon Fiber Fabric - 1st Qualityfrom $49.50 6oz 3K 2x2 Twill Carbon Fiber Fabric – Stabilized6oz 3K 2x2 Twill Carbon Fiber Fabric – Stabilizedfrom $52.50
MaterialCarbon FiberCarbon FiberCarbon FiberCarbon Fiber
Weight8.3 oz/yd²5.7 oz/yd²5.7 oz/yd²6 oz/yd²
Weave4x4 TwillPlain weave2x2 Twill2x2 Twill (veil-stabilized)
Orientation0°/90° (woven)0°/90° (woven)0°/90° (woven)0°/90° (woven)
Tow Size3K3K3K3K
Thickness0.010"0.010"0.011"
Widths50"50"50"50"
Full Roll100 yd100 yd100 yd100 yd
Thread Count12.5 × 12.512 × 1213.5 × 13.5
Resin Ratio~50:50 by weight (≈1:1)~50:50 by weight (≈1:1)~50:50 by weight (≈1:1)~50:50 by weight (≈1:1)
ResinsEpoxy, Polyester, Vinyl EsterEpoxy, Polyester, Vinyl EsterEpoxy, Polyester, Vinyl EsterEpoxy, Polyester, Vinyl Ester
Best ForBold large-pattern carbon look with more buildCosmetic and structural carbon skins (uniform look)Cosmetic carbon parts (classic 2x2 twill look)Easy-handling cosmetic twill (veil-stabilized)
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What To Expect When You Order Fabric Rolls

8.3oz 3K 4x4 Twill Carbon Fiber Fabric - 1st Quality - image 2

Carbon fiber is a high-strength, lightweight material made from thin strands of carbon. It’s used in aerospace, marine, automotive, sporting goods, and composite construction for its superior strength-to-weight ratio.

Yes, epoxy resin is the most commonly used resin with carbon fiber, providing a strong, durable bond for structural and cosmetic applications.

Carbon fiber has a tensile strength around 500,000 psi and is roughly five times stronger than steel by weight, which is why it is used where stiffness and low weight both matter. Real-world laminate strength depends on resin, fiber orientation, and layup quality, so a strong carbon panel comes from good wet-out and proper ply orientation, not the fabric alone.

Carbon fiber is stiffer, stronger, and lighter than fiberglass, but also more expensive. It’s used when performance and weight savings are critical.

The main difference is in the weave pattern and flexibility. Twill weave has a diagonal pattern (over 2, under 2), while plain weave has a tighter checkerboard pattern (over 1, under 1).

Use 2x2 twill when you're working with curved surfaces or want a sleek, visible finish. Use plain weave for flat surfaces, structural reinforcement, or areas that will be painted or hidden.