ECOWRAP C300 Reinforcement Carbon Fiber

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ECOWRAP C300 Reinforcement Carbon Fiber

Technical Specifications & Properties of ECOWRAP C300 Carbon Fiber

ICRI ECOWRAP C300 reinforcement carbon fiber is a unidirectional fabric with a nominal surface weight of 300 g/m², produced from 12K PAN-based carbon fibers. Due to its exceptionally high tensile strength and elastic modulus, this product is an ideal choice for significantly increasing load-bearing capacity, improving seismic performance, and repairing structural damage in various concrete, steel, timber, and masonry structures.

1. General Specifications

  • Product Name: ECOWRAP C300

  • Fiber Type: Unidirectional Carbon Fiber

  • Material: Polyacrylonitrile (PAN) based Carbon

  • Nominal Surface Weight: 300 grams per square meter (gsm)

  • Filament Count: 12,000 filaments (12K) per tow

  • Color: Black

  • Main Application: Structural retrofitting and seismic strengthening, repair and reinforcement of concrete, steel, timber, and masonry elements.

2. Physical Properties

Physical PropertyValueUnitTest Method / Standard
Surface Weight300 ± 10gsmASTM D7566
Nominal Thickness0.167mmASTM D7566
Density1.78 - 1.81g/cm³ASTM D1505

3. Mechanical Properties

Mechanical PropertyValueUnitTest Method / Standard
Ultimate Tensile Strength≥3800MPaASTM D3039
Tensile Modulus of Elasticity≥230GPaASTM D3039
Ultimate Strain≥1.5%ASTM D3039

4. Applications

ECOWRAP C300 reinforcement carbon fiber is widely used in structural retrofitting and rehabilitation projects:

  • Increasing Flexural Strength of Beams and Slabs: By being applied to the tension face of the element, it significantly increases flexural strength.

  • Increasing Shear Strength of Beams and Columns: By wrapping or U-wrapping, it improves the shear strength of the elements.

  • Increasing Axial Strength and Ductility of Columns: By wrapping columns, it enhances their compressive strength and deformation capacity, especially against seismic loads.

  • Strengthening Shear Walls and Masonry Structures: To increase the stiffness and shear resistance of walls.

  • Repairing and Strengthening Damaged Structures: Filling cracks and increasing the strength of weakened areas.

  • Strengthening Marine and Industrial Structures: Due to its high resistance to corrosion and environmental factors.

5. Advantages of ECOWRAP C300

  • High Corrosion Resistance: Unlike steel, carbon fibers do not corrode, which increases the lifespan of the structure in corrosive environments.

  • Lightweight: The very low weight of these fibers compared to traditional methods (like concrete or steel jackets) reduces the dead load of the structure.

  • Speed and Ease of Installation: Fast installation without the need for heavy equipment reduces project time.

  • Minimal Increase in Element Dimensions: The negligible thickness of the fibers ensures that the dimensions of the strengthened section do not increase significantly, preserving architectural aesthetics.

  • High Fatigue Resistance: Excellent performance against dynamic and cyclic loads.

  • High Modulus of Elasticity: The high stiffness of the fibers increases structural rigidity and reduces deformations.

6. Standards and Certifications

ECOWRAP C300 reinforcement carbon fiber is produced and tested according to the following international standards and, when correctly installed in compliance with codes, guarantees the expected performance:

  • ACI 440.2R: “Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures”

  • ISO 10618: Carbon fiber — Determination of tensile properties of filaments

  • ASTM D3039: Standard Test Method for Tensile Properties of Polymer Matrix Composite Materials

  • ASTM D7566: Standard Test Methods for Carbon Fiber Sheet Materials

7. Storage and Handling Instructions

  • Temperature and Humidity: Carbon fibers should be stored at ambient temperature (15 to 25 °C) and in a dry environment (maximum relative humidity of 60%).

  • Light: Protect from direct sunlight and UV radiation; prolonged exposure to UV can damage the fibers.

  • Packaging: Fibers must be stored in their original, intact, and vacuum-sealed packaging to prevent contamination, moisture, and physical damage.

  • Shelf Life: When stored correctly, ECOWRAP C300 reinforcement carbon fibers have a very long shelf life.

8. Application Guidelines

  • Surface Preparation: The surface of the concrete or other materials must be completely clean, dry, smooth, and free from any contamination, grease, dust, loose material, or peeling layers. Any unevenness should be repaired with appropriate repair mortars.

  • Adhesive: ECOWRAP C300 reinforcement carbon fibers must be used with ECOFIT EP400 epoxy adhesive, which is specifically designed for FRP systems to saturate the fibers and provide the necessary bond. The type of resin and its mixing ratio must strictly follow the manufacturer's instructions.

  • Safety: When working with carbon fibers and epoxy resins, the use of Personal Protective Equipment (PPE), including chemical-resistant gloves, safety goggles, and a suitable respiratory mask to prevent inhalation of resin vapors, is essential. Ensure proper ventilation of the work area.

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