Lámina Carbotec

Technical Caracteristics

Unidirectional Carbon fibre filament sheets on epoxy resin base, specially formulated. The carbon fibre content is approximately 68% of the sheet section.

Advantages and Uses

• Great freedom of design.
• Clear advantages over steel sheets, in certain applications.
• Suitable for beams, columns, floors and concrete walls.
• Durable reinforcement against both positive and negative bending deformations.
• Reinforcement in wooden beams.
• Light and flexible: It does not require any heavy machinery. 
• Corrosion resistant: no additional treatment required.
• No difficulty in connections or transitions.
• Low aesthetic impact.
• Only high-quality fibres are used in manufacturing.

Application field:
These carbon fibre elements are calculated and designed for a predetermined load. These loads may change throughout the life of the building, and initial calculations may be insufficient due to:

• Openings by cutting slabs in floors or beams.
• Increase in loads due to the change in use of the building.
• Ageing of construction materials.
• Reinforcement corrosion.
• Concrete degradation.
• Cutting of pre- or post-tensioned cables.
• Reparation of fire damage in certain points of the construction. 
• Reparation of damages caused by earthquakes or improvement of earthquake behaviour.

The external application of extruded carbon fibres increases the load capacity of the elements (increase in bending load). The increased flexural load capacity reduces flexural strain and crack formation.

Suitable Substrates

• Carbotec are Carbon Fibre sheets, especially indicated for the subsequent reinforcement of concrete, wood and masonry elements.
• Minimum adhesive tensile strength of the support: 1,5 Nmm2.
• Maximum humidity content: < 4%.
• Controlled flatness. The tolerance is a maximum of 5 mm for a length of 2 m and 1 mm for a length of 30 cm.
• Temperature of the element in question should be at least 8ºC, and at least 3ºC above the dew point temperature.

Wood:

• Surface should be brushed.
• Dust should be removed with the help of a vacuum cleaner.

Application Procedure

1.    Preparing the surface

• To ensure an optimal distribution of loads from the substrate to the Carbotec sheet, the surface must be slightly rough, which can be achieved by sandblasting. All damaged areas (cracks, voids and surface deficiencies) must be repaired prior to the application of Carbotec laminate.
• The roughness of the substrate, when excessive, must be corrected and levelled with suitable materials.
• The adhesion of the prepared substrate must be verified by random spot adhesion tests. Concrete should have a minimum adhesion of 1,5 N/mm2.
• It is advisable to apply EPW Implarest, when the quality of the concrete is strong enough.

2.    Preparing the sheet

• Carbotec is provided in rolls. Carefully unroll the sheets, using a specific tool. Be careful not to break the ends of the sheets. Always wear suitable security clothes and equipment.
• Carbotec sheets can be cut with specific cutting tools such micro-dented scissors or radial. Both sides of the sheet should be placed on a base during the cutting process.
• Eliminate the "peel-ply" treatment layer to promote adherence on the face of the sheet that is to be adhered to the substrate to be coated, before gluing it.
• The surface should be clean before adding the glue (once the sheet is completely clean).

3.    Epoxy adhesive preparation

• Carbotec sheet should be adhered on the surface using Adhesivo Carbotec Lámina.
• Mix component A and B in a clean container and mix it meticulously for 3 minutes with a low-speed mixer until getting a grey mixture. Only mix the amount of product that is going to be used.

4.    Applying the adhesive

• The surface must be dry, clean and free of dust to apply the Adhesivo Carbotec Lámina. Preferably apply the adhesive on the Carbotec carbon fibre. Apply the layer of glue in a triangular section (for example 1 mm at the ends and 4 mm in the centre) on the side of the sheet that has been cleaned.
• Press the Carbotec carbon fibre evenly against the concrete to even out the distribution of the adhesive. Use a ribbed metal or rubber roller to remove trapped air and ensure a perfect application of the sheet. Apply enough pressure to remove all excess adhesive to the sides. Clean up excess adhesive before it hardens.
• The average thickness of the adhesive layer must be approx. 1.5 mm to 2 mm.
• Press the Carbotec sheet against the substrate until the adhesive is cured enough. Carbotec adhesive sheet can be applied using a hooper. Construct the hooper with a spatula shape bridge. The Carbotec sheet slides under the hopper and the adhesive is applied using the spatula.
• The material must not be touched until 24 hours after its application. Carbotec Sheet Adheive reaches full mechanical resistance after 7 days from the application.

Consumption according to dimensions (kg/m²)

Packaging and Storage

Presented in sheet rolls.
Minimum order 25 linear meters and from 25 linear meters multiples of 25.
Carbotec Sheet must be stored in a dry and dust-free environment.

Technical data

Technical features: 

Notas

The information and instructions in this datasheet are based on our current tests and technical knowledge. They are intended as general guidance and do not constitute a binding commitment by PIDILITEPUMA MEA CHEMICALS LLC. It is the sole responsibility of the user to verify, prior to use, that the product is suitable for the intended application and to ensure that it is applied correctly and in accordance with applicable regulations and good industry practice.

PIDILITEPUMA MEA CHEMICALS LLC cannot control how its products are applied on site throughout the entire project and therefore cannot accept responsibility for their application by contractors or other parties involved in the execution of the work. Support visits to the jobsite by our technical staff do not change that. Our responsibility is limited exclusively to defects that can be directly attributed to the supplied products, whether used individually or as part of a system, caused by manufacturing defects.

It is the responsibility of the project designer, site manager, contractor, or other relevant professionals to ensure that the selected products are appropriate for the specific project, taking into account their properties, the substrate, site conditions, and any existing issues.

In the event of a claim, the original packaging must be provided to ensure proper product traceability.

Any performance values stated for PIDILITEPUMA MEA CHEMICALS LLC products or construction solutions, whether in UNE standards or other applicable standards, are based solely on the specific test conditions defined in those standards (such as substrate type, temperature, and humidity). These values may not apply to situations where products are tested or used under different conditions.