The 12kT700 uni carbon fiber cloth is suitable for high-strength large-scale key reinforcement and repair projects such as houses and bridges.
It has excellent physical properties, high temperature resistance, high strength and high efficiency, and its elastic modulus is equivalent to that of steel. The tensile strength of carbon fiber cloth is about 10 times that of the latter. It is a high-priced and high-performance product. Tensile strength ≥3000MPa, tensile elastic modulus ≥2.1*105Mpa, elongation ≥1.5%. The width is 10cm-50cm.
Specification of UD carbon fiber sheet:
| Model | Grade | Extension Strength（MPa） | Tensile Modulus（GPa） | Breaking Elongation (%) | Thickness (mm) | Weight（g/m2） |
| F12K-CF200 | I | ≥3400 | ≥240 | ≥1.7 | 0.111 | 200 |
| II | ≥3000 | ≥210 | ≥1.5 | 0.111 | 200 | |
| F12K-CF300 | I | ≥3400 | ≥240 | ≥1.7 | 0.167 | 300 |
| II | ≥3000 | ≥210 | ≥1.5 | 0.167 | 300 |
The difference between carbon fiber cloth and aramid fiber cloth?
In the reinforcement of structures, adhesive fiber composite materials to improve the bearing capacity and durability of structures are getting more and more widely recognized. Its advantage is that the construction is simple and the period is short, and the impact on the original structure is small and will not increase the weight of the structure. Fiber composite materials are a huge family, the most commonly used fiber composite materials in reinforcement for carbon fiber cloth and aramid fiber cloth, both have different characteristics and uses.
Although carbon fiber cloth and aramid fiber cloth are both high quality fiber composite materials, there are differences in strength. For example, the tensile strength of carbon fiber cloth can reach 3400MPa, but aramid fiber cloth can only reach 2100MPa, from the point of view of mechanical properties, carbon fiber cloth has advantages over aramid fiber cloth. However, both of them can meet the concrete cohesion failure and prevent the peel failure in actual use.
Carbon fiber cloth has electrical conductivity, when the reinforcement site has strict requirements for electricity, we must pay attention to whether carbon fiber cloth can be used. Aramid fiber cloth is not conductive, suitable for live environment, such as the need to use insulation reinforcement materials in subway tunnels, you must use aramid fiber cloth can not choose carbon fiber cloth. In addition, aramid fiber cloth has better toughness and impact resistance than carbon fiber cloth, and is more suitable for use in dynamic load environments.
Therefore, in the actual structural reinforcement, we should choose the appropriate fiber composite for reinforcement according to the actual situation. In general, carbon fiber sheet reinforcement can meet the needs of most buildings, and the strength and safety factor is higher, and it has become the main choice of fiber composite materials. Carbon fiber reinforcement includes carbon fiber sheet reinforcement and carbon fiber plate reinforcement. Carbon fiber sheet reinforcement is another new structure reinforcement technology after increasing concrete section and bonding steel.
The regular width of UD carbon cloth:
Application of uni-directional carbon fiber sheet:
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