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Carbon Fiber · reinforced grade

Carbon Fiber Woven 2x2

Properties of the Woven 2x2 condition, compared with the other Carbon Fiber grades.

Pick for panels, plates and cosmetic parts needing equal 0/90 properties and drapeable layup.

CNC machiningSheet metalPremium cost $$$

What is Carbon Fiber Woven 2x2?

Carbon Fiber Woven 2x2 is Carbon Fiber in the Woven 2x2 grade — pick for panels, plates and cosmetic parts needing equal 0/90 properties and drapeable layup. Carbon Fiber Woven 2x2 has a tensile strength of 620 MPa (89.9 ksi), stronger than 67% of composite grades. Elongation at break is 1.2% and the elastic modulus is 65 GPa (9.43 Msi). Carbon Fiber Woven 2x2 has a density of 1.53 g/cm³ (0.0553 lb/in³), lighter than 59% of composite grades. Its glass-transition temperature is 125°C (257 °F). Epoxy Matrix is the default condition FabDigit quotes; Woven 2x2 is available on request or by drawing note.

Advantages

  • Low, predictable mold shrinkage — 0.1%, better than 100% of composite grades
  • Polishes to a fine finish — 60/100, better than 89% of composite grades
  • Tough — resists crack growth — 30 MPa·√m (27.3 ksi·√in), better than 85% of composite grades
  • Low moisture uptake — 0.1%, better than 85% of composite grades

Limitations

  • Limited service temperature — 120°C (248 °F), worse than 79% of composite grades

Carbon Fiber Woven 2x2 properties

Typical room-temperature values for Carbon Fiber Woven 2x2 — 10 properties are specific to this condition; the rest are grade-level values shared by every Carbon Fiber grade. Each bar shows where the value sits among the composite grades in FabDigit's library — further right is higher.

Physical4

Carbon Fiber Woven 2x2 has a density of 1.53 g/cm³ (0.0553 lb/in³), lighter than 59% of composite grades. Its glass-transition temperature is 125°C (257 °F).

Density1.53 g/cm³0.06 lb/in³
Glass Transition (Tg)125°C257 °F
Water Absorption (24 h)0.1%
Water Absorption (Saturation)1%

Mechanical11

Carbon Fiber Woven 2x2 has a tensile strength of 620 MPa (89.9 ksi), stronger than 67% of composite grades. Elongation at break is 1.2% and the elastic modulus is 65 GPa (9.43 Msi).

Elastic (Young's) Modulus65 GPa9.4 Msi
Shear Modulus5 GPa0.73 Msi
Poisson's Ratio0.05
Tensile Strength (Ultimate)620 MPa89.9 ksi
Elongation at Break1.2%
Compressive Strength550 MPa79.8 ksi
Compressive Modulus62 GPa9 Msi
Flexural Strength780 MPa113 ksi
Flexural Modulus58 GPa8.4 Msi
Shear Strength80 MPa11.6 ksi
Fracture Toughness (K_IC)30 MPa·√m27.3 ksi·√in

Thermal9

Carbon Fiber Woven 2x2 is rated for continuous service to 120°C (248 °F). It conducts heat at 5 W/m·K (2.89 BTU/hr·ft·°F), better than 63% of composite grades. Thermal expansion is 2 µm/m·K (1.11 µin/in·°F).

Thermal Conductivity5 W/m·K2.9 BTU/hr·ft·°F
Specific Heat Capacity900 J/kg·K0.21 BTU/lb·°F
Thermal Expansion (CTE, 20–100 °C)2 µm/m·K1.1 µin/in·°F
Max Service Temperature (continuous)120°C248 °F
Min Service Temperature-100°C-148 °F
Heat Deflection Temp. @ 1.8 MPa130°C266 °F
Flammability (UL 94)Standard epoxy laminate burns (≈HB); phenolic or FR-epoxy prepregs reach V-0 with low smoke
Limiting Oxygen Index32%
Max Service Temperature (short-term)180°C356 °F

Electrical3

Carbon Fiber Woven 2x2 has an electrical resistivity of 0.0015 Ω·m.

Electrical Resistivity0.0015 Ω·m59,055 µΩ·in
Volume Resistivity0.15 Ω·cm
Surface Resistivity100 Ω

Chemical & Environmental3

Corrosion resistance is excellent (85/100), better than 65% of composite grades. UV resistance is fair.

Corrosion ResistanceExcellent85/100
UV / Weathering ResistanceFair40/100
Chemical Resistance SummaryFibers are essentially inert; behaviour is set by the matrix. Cured epoxy resists water, fuels, oils, dilute acids and most solvents; attacked by strong oxidising acids, hot alkalis, and swollen by ketones/chlorinated solvents. Long hot-wet exposure lowers matrix-dominated (compression, shear) strength.

Sustainability4

Producing a kilogram of Carbon Fiber Woven 2x2 takes about 350 MJ of energy and emits 24 kg of CO₂ — more than 74% of composite grades. Typical recycled content is 0%.

Embodied Energy (primary production)350 MJ/kg150,473 BTU/lb
Embodied Carbon (primary production)24 kg CO₂/kg
Embodied Water600 L/kg71.9 gal/lb
Typical Recycled Content0%

Manufacturability3

Carbon Fiber Woven 2x2's machinability is fair (35/100, better than 50% of composite grades).

MachinabilityFair35/100
PolishabilityGood60/100
Mold Shrinkage0.1%

Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.

Other Carbon Fiber grades and fills

Carbon Fiber is also supplied in 7 other conditions. The full side-by-side table is on the Carbon Fiber overview.

Working with Carbon Fiber Woven 2x2

Is Carbon Fiber easy to machine?

Use PCD/diamond-coated or diamond-abrasive tooling, high speed and low feed with backing support to avoid delamination and fiber pull-out; vacuum extraction is mandatory (conductive, respirable dust) and coolant/tool wear is the cost driver.

Can Carbon Fiber be welded?

Thermoset CFRP cannot be welded — join by adhesive bonding (peel-ply/abraded surfaces) or bolted joints with generous bearing area; thermoplastic-matrix (PEEK/PA) variants can be induction, resistance or ultrasonically welded.

Can Carbon Fiber be formed, bent or molded?

Formed by prepreg hand layup/AFP with autoclave or press cure (120–180 °C), RTM/infusion of dry fabric, filament winding, pultrusion, or chopped-prepreg compression molding; thermoplastic tapes are stamp-formed above Tm.

What surface finishes work on Carbon Fiber?

Cannot be anodized or plated conventionally; finish by resin/gel surfacing film, filler-primer and 2K clear or paint with UV blocker, and always isolate from aluminium/steel with glass-fiber ply or sealant to prevent galvanic corrosion.

Carbon Fiber chemical composition (wt %)

Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.

ElementSpec limit (wt %)Nominal
carbon fiber (PAN-based, T300/T700 classwt %; ≈50–60 vol % for autoclave prepreg laminates50 – 7060
sizing / interlayer toughenerfiber sizing plus thermoplastic toughening particles in aerospace prepregs0 – 21
epoxy resin matrixDGEBA/amine or 180 °C-cure toughened epoxy; substituted by PEEK, BMI, cyanate ester or PA in other variants≥ 30 (balance)

Carbon Fiber Woven 2x2 — frequently asked

What is Carbon Fiber Woven 2x2 used for?

Carbon Fiber Woven 2x2 is typically used for aerospace structural panels, bicycle frames, UAV airframes and booms, robot arms and end effectors, motorsport bodywork and aerodynamic parts and machine tool gantries and idler rollers. In short: lightweight aerospace laminate.

What is the tensile strength of Carbon Fiber Woven 2x2?

Carbon Fiber Woven 2x2 has a typical tensile strength of 620 MPa (89.9 ksi) — stronger than 67% of composite grades. Strength varies by condition: see the 8 listed tempers.

Is Carbon Fiber Woven 2x2 easy to machine?

Not especially — machinability is rated fair (35/100, better than 50% of composite grades). Use PCD/diamond-coated or diamond-abrasive tooling, high speed and low feed with backing support to avoid delamination and fiber pull-out; vacuum extraction is mandatory (conductive, respirable dust) and coolant/tool wear is the cost driver.

Can Carbon Fiber Woven 2x2 be welded?

Thermoset CFRP cannot be welded — join by adhesive bonding (peel-ply/abraded surfaces) or bolted joints with generous bearing area; thermoplastic-matrix (PEEK/PA) variants can be induction, resistance or ultrasonically welded.

What surface finishes work on Carbon Fiber Woven 2x2?

Cannot be anodized or plated conventionally; finish by resin/gel surfacing film, filler-primer and 2K clear or paint with UV blocker, and always isolate from aluminium/steel with glass-fiber ply or sealant to prevent galvanic corrosion.

Can Carbon Fiber Woven 2x2 be formed, bent or molded?

Formed by prepreg hand layup/AFP with autoclave or press cure (120–180 °C), RTM/infusion of dry fabric, filament winding, pultrusion, or chopped-prepreg compression molding; thermoplastic tapes are stamp-formed above Tm.

What is the maximum service temperature of Carbon Fiber Woven 2x2?

Carbon Fiber Woven 2x2 is rated for continuous use to about 120°C (248 °F), and briefly to 180°C. Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.

Can FabDigit make parts in Carbon Fiber Woven 2x2?

Yes — Carbon Fiber Woven 2x2 is available for CNC machining and sheet metal with instant online pricing. Upload a STEP file to get a price and a DFM check.

Sources

  1. CMH-17 Composite Materials Handbook, Vol. 2 (Polymer Matrix Composites — Material Properties)SAE International / CMH-17 (2012)
  2. ASM Handbook Vol. 21: CompositesASM International (2001)
  3. T300 / T700S / M55J carbon fiber and prepreg data sheetsToray Composite Materials (2023)
  4. HexPly 8552 / 913 prepreg and HexTow fiber data sheetsHexcel (2023)
  5. APC-2 / AS4-PEEK thermoplastic tape data sheetSolvay (Cytec) (2022)
  6. Continuous Fiber Reinforcement (CFF/CFR) material propertiesMarkforged (2023)
  7. ASTM D3039 / D6641 / D7264 / D2344 composite test methodsASTM International (2021)
  8. CES / Ashby material property and eco-property data for CFRPAnsys Granta (2022)

Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.