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SikaWrap-230C, Carbon Fiber Cloth

SikaWrap-230C, Carbon Fiber Cloth

Structural Strengthening
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging Roll 100 m × 500 mm
Width - mm
Thickness - mm
Cross Section Area 129 mm 2 per m width mm²
Length - m
Construction Unidirectional 0° carbon fibres (99 % warp)
Usage Strengthening concrete, masonry, timber; seismic performance
Usage Area -
Color -
Storage Conditions +5…+35 °C, dry, original packaging; away from sunlight
Density -
Consumption Dry (Sikadur®-330): 0.8–1.2 then 0.7 kg/m²; wet (-300): 0.4–0.6 + 0.6 kg/m²

Woven unidirectional carbon fibre fabric, designed for structural strengthening applications as part of the Sika® strengthening system

SikaWrap®-230 C is a unidirectional woven carbon fibre fabric with mid-range strength, designed for installation using the dry or wet application process. Suitable for use in hot and tropical climatic conditions.

Usage

Structural strengthening of reinforced concrete, masonry, brickwork and timber elements or structures, to increase flexural and shear loading capacity for:

  • Improved seismic performance of masonry walls
  • Replacing missing steel reinforcement
  • Increasing the strength and ductility of columns
  • Increasing the loading capacity of structural elements
  • Enabling changes in use / alterations and refurbishment
  • Correcting structural design and / or construction defects
  • Increasing resistance to seismic movement
  • Improving service life and durability
  • Structural upgrading to comply with current standards
Advantages
  • Manufacturedwith heat-set weft fibres to keep the fabric stable
  • Multifunctional fabric for use in many different strengthening applications
  • Flexible and accommodating of different surface planes and geometry (beams, columns, chimneys, piles, walls, soffits, silos etc.)
  • Available in different widths for optimum utilisation
  • Low density for minimal additional weight
  • Extremely cost effective in comparison to traditional strengthening techniques
Packaging
Fabric length per rollFabric width
≥ 100 m (328 ft)500 mm (19.7 in)
Typical Product Data
APPROVALS / CERTIFICATES

- Poland: Technical Approval ITB AT-15-5604/2011: Zestaw wyrobów Sika CarboDur do wzmacniania i napraw konstrukcji betonowych.
- Poland: Technical Approval IBDiM Nr AT/2008-03-0336/1, Płaskowniki. pręty, kształtki i maty kompozytowe do wzmacniania betonu o nazwie handlowej: Zestaw materiałów Sika CarboDur® do wzmacniania konstrukcji obiektów mostowych.
- USA: ACI 440.2R-08, Guide for the Design and construction of Externally Bonded FRP Systems for strengthening concrete structures, July 2008.
- UK: Concrete Society Technical Report No. 55, Design guidance for strengthening concrete structures using fibre composite material, 2012.

Construction

Fibre orientation 0° (unidirectional)
Warp Black carbon fibres 99 %
Weft White thermoplastic heat-set fibres 1 %

Fibre Type

Selected mid-range strength carbon fibres

Shelf life

24 months from date of production

Storage conditions

Store in undamaged, original sealed packaging, in dry conditions at temperatures between +5 °C (+41 °F) and +35 °C (+95 °F). Protect from direct sunlight.

Dry Fibre Density

1.82 g/cm 3 (15.2 lb/gal)

Dry Fibre Thickness

0.129 mm (0.0051 in) (based on fibre content)

Area Density

235 g/m 2 ± 10 g/m 2 (carbon fibres only)

Dry Fibre Tensile Strength

4 000 N/mm 2 (0 psi) (ISO 10618)

Dry Fibre Modulus of Elasticity in Tension

230 000 N/mm 2 (0 psi) (ISO 10618)

Dry Fibre Elongation at Break

1.7 % (ISO 10618)

System Structure

The system build-up and configuration as described must be fully complied with and may not be changed.
Concrete substrate adhesive primer Sikadur®-330
Impregnating / laminating resin Sikadur®-330 or Sikadur®-300
Structural strengthening fabric SikaWrap®-230 C
For detailed information on Sikadur®-330, together with the resin and fabric application details, please refer to the Sikadur®-330 Product Data Sheet and the relevant Method Statement.

Laminate Nominal Thickness

0.129 mm (0.0051 in)

Laminate Nominal Cross Section

129 mm (5.08 in) 2 per m width

Laminate Tensile Strength

Average Characteristic
3 500 N/mm 2 (72519 psi) 3 200 N/mm 2 (29008 psi)

Laminate Modulus of Elasticity in Tension

Average Characteristic
225 kN/mm 2 220 kN/mm 2
Average Characteristic
220 kN/mm 2 210 kN/mm 2
* Modification: sample with 50 mm (1.97 in)
Values in the longitudinal direction of the fibres Single layer, minimum 27 samples per test series

Laminate Elongation at Break in Tension

1.56 % (EN 2561)
1.59 % (ASTM D 3039)

Tensile Resistance

Average Characteristic
452 kN/m 413 kN/m

Tensile Stiffness

Average Characteristic
29.0 MN/m 28.4 MN/m
29.0 kN/m per ‰ elongation 28.4 kN/m per ‰ elongation
Average Characteristic
28.4 MN/m 27.1 MN/m
28.4 kN/m per ‰ elongation 27.1 kN/m per ‰ elongation

Application
Consumption

Dry application with Sikadur®-330

First layer including priming layer0.8 – 1.2 kg/m 2
Following layers0.7 kg/m 2

Wet application with Sikadur®-300

Primer layer0.4 – 0.6 kg/m 2
Fabric layers0.6 kg/m 2

Please also refer to the relevant Method Statement for further information.

SUBSTRATE QUALITY

Minimum substrate pull-off strength: 1.0 N/mm 2 (145 psi) or as specified in the strengthening design. Please also refer to the relevant Method Statement for further information.

SUBSTRATE PREPARATION

Concrete must be cleaned and prepared to achieve a laitance and contaminant free, open textured surface. Please also refer to the relevant Method Statement for further information.