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Carbon Fiber Fabric

Home/ Products/Carbon Fiber/Carbon Fiber Reinforced Polymer (CFRP)/300g 12k Unidirectional Carbon Fiber Fabric

300g 12k Unidirectional Carbon Fiber Fabric

Item number: BYFabric-300UC CF S

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Description Of Unidirectional Carbon Fiber Fabric:

BYFabric-300UC CF S is a high-strength, high-modulus unidirectional carbon fiber fabric.

When laminated with epoxy resin adhesive, it forms Carbon Fiber Reinforced Polymer (CFRP) laminates for structural reinforcement.

Carbon fiber delivers not only exceptional strength and elastic modulus but also lightweight durability.

Initially adopted in aerospace and automotive industries, it has been embraced by sports equipment and machinery manufacturing.

In recent years, it has gained widespread use as an alternative reinforcement for concrete structures in:

- Highway/railway infrastructures

- Bridge piers & tunnel supports

- Seismic retrofitting of buildings

Currently, its application is being explored for structural retrofitting of highway bridges to increase load capacity.

Product Advantages

Lightweight

Enables operation in confined spaces

Minimal impact on structural serviceability

Adds negligible weight (3% dead load) to existing structures

High Strength & Modulus

Flexural Strengthening: Effective as straight plates
Shear Strengthening: Closed configurations (full wrapping, U-jacketing, side bonding)
Column Confinement: Enhances ductility/strength via lateral wrapping
Repairs complex-shaped structural elements

Broad Applicability

Bonds to surfaces: Beams, columns, ducts, pipes, walls
Compatible with: Concrete, masonry, timber, steel, and hybrid structures

Corrosion Resistance

Withstands acids, alkalis, and chemical erosion
Performs in harsh environments

Long Service Life

Suitable for multi-decade infrastructure projects

High-Temperature Performance

Limited creep under sustained loads
Excellent seismic retrofitting system

Application Areas:
Construction & Infrastructure

Load Increase Scenarios

Commercial building live load upgrades
Bridge traffic volume/weight capacity expansion
Heavy equipment installation in industrial facilities
Elevated structural vibrations (operation-induced)
Structural Condition Improvement

Deflection reduction in overloaded members
Stress mitigation for existing structural elements
Crack propagation control/arrest
Seismic Retrofitting

Column confinement for enhanced ductility
Shear strengthening of critical joints
Masonry wall reinforcement:
Improved out-of-plane behavior
Enhanced bending & in-plane shear strength
Beam/slab strengthening
Structural System Modifications

Wall/column removal (load path redesign)
Slab segment removal for openings
Aging & Damaged Structures

Degraded construction materials
Rebar corrosion in concrete elements
Collision damage (e.g., vehicle impact)
Design/Construction Deficiencies

Insufficient reinforcement detailing
Undersized structural members
Below-specification concrete material strength

The following displays the basic information of the fabric

Item	Data	Tolerance
Weaving Method	Unidirectional	/
Fiber Surface Density (G/M ²)	≤300	±10%
Strength Grade	1	/
Width（Mm）	100~1500	10
Warp Density(Root/cm)	3.7	/
Weft Density(Root/cm)	3	/
Thickness	0.167	±0.05
Raw Material	12k carbon fiber	/

The Following Displays The Performance Of Raw Materials

Item	Standard	Testing Standards
Linear density (g/km)	800±6	GB/T 3362-2017
density (g/cm³)	1.80±0.02	B/T 30019-201
Tensile strength (MPa)	≧4900	GB/T 3362-2017
Tensile modulus of elasticity (GPa)	220-260	B/T 3362-2017
Tensile elongation at break (%)	≧1.8	B/T 3362-2017

The Following Displays The Physical Properties

Item	Standard	Testing standards
strength grade	i	GB 50728-2011
Standard value of tensile strength (MPa)	≧3400	GB 50728-2011
Tensile modulus of elasticity (GPa)	≧230	GB 50728-2011
Elongation rate (%)	≧1.6	GB 50728-2011
Bending strength (MPa)	≧700	GB 50728-2011
Interlayer shear strength (MPa)	≧60	GB 50728-2011
Tensile bonding strength between fiber composite material and substrate (MPa)	For concrete and masonry substrates:>2.5,with cohesive failure of the substrate;	GB 50728-2011
	For steel substrates:>3.5, and must not cause adhesive damage	GB 50728-2011