3K 240g Carbon Fiber Fabric: Technical Specifications & Applications

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3K 240g Carbon Fiber Fabric is a woven textile material made from 3,000-filament carbon fiber tows with an areal weight of 240 grams per square meter (gsm). This specification represents the industry standard for aerospace, automotive, and high-performance sporting goods applications.

Technical Specifications

ParameterValueTest Standard
Fiber Type3K Carbon Fiber (3,000 filaments)ISO 10119
Areal Weight240 ± 5 g/m²ISO 3374
Weave PatternPlain Weave (1×1)ISO 4602
Tensile Strength3,530 MPaISO 10618
Tensile Modulus230 GPaISO 10618
Thickness0.25-0.30 mmISO 5025

Key Features

  • Optimal strength-to-weight ratio for aerospace and automotive
  • Premium “checkerboard” surface finish for visible parts
  • Superior drapability for complex molds
  • Fast resin wet-out in hand layup and RTM
  • Epoxy-compatible sizing (0.5-1.5%)
  • Wide availability, competitive pricing

Applications

IndustryApplicationBenefit
AerospaceUAV structures, interior panelsWeight reduction, FAA compliance
AutomotiveBody panels, interior trimFuel efficiency, premium appearance
SportsBicycle frames, tennis racketsPerformance, vibration damping
MarineBoat hulls, decks, mastsCorrosion resistance

FAQ

What does 3K mean?

3K indicates 3,000 individual carbon fiber filaments per tow bundle – the industry standard for most applications.

What resin is compatible?

Epoxy resin systems (hand layup, vacuum bagging, RTM). Also compatible with vinyl ester and polyester.

MOQ and pricing?

MOQ: 50 m². Price range: $12-35/m² depending on quantity. Contact for volume pricing.