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300gsm Carbon Fiber CFRP Sheets for concrete repair

Carbon Fiber CFRP Sheets for bridge, beam, columns

300gsm Unidirectional Carbon Fiber CFRP Sheets for concrete repair

Applied for tension, shearing and seismic reinforcement of section units, this product can be used together with impregnated adhesive as carbon fiber composite materials to make an enhanced system of high performance carbon fiber cloth and sheet. Suitable for increasing the working load of building, changing the using function of project, materials ageing, concrete strength grade below design value, structure crack treatment, repairing of section unit under bad condition, reinforcement of protecting facility.

Range of Application:

Reinforcement for unplanted steel bar

Anti-seismic reinforcement for additional layer

Maintenance and reinforcement for viaduct and bridge

New door reinforcement for shear wall

Reinforcement and repairing for all kinds of structure and section units.

Specially suitable for reinforcement of complicated structures as curved surface and joint.

Features:

1, high strength, low density and thickness, no increasing the weight and size of reinforced section unit

2, Widely used for repairing,seismic strengthening and reinforcement of building,bridges,tunnels and other structures,

3, Easy to handle, no need for large equipment, no wet, no fire, no fixed installations;

4, suitable for acids, alkalis, salts and atmospheric corrosion environments;

5, Suitable for reinforcement and seismic reinforcement of concrete, bricks,wooden structures in port, water conservancy and hydropower project, especially complicated structures as curved surface and joints.

Base concrete materials strength must be above C15, temperature range 5-35℃, relative humidity no more than 70%.

Product performance

1. Basic parameters

1) Specification: 300g/㎡

2) Appearance: black woven fabric

3) Weave: unidirectional;

4) Strength class: high strength grade I,

5) Length: 50 m, 100 m

6) Width: 100mm, 200mm, 300mm, 500mm, other sizes can be customized

• Main Performance According to China National Standard GB50728-2011

Remarks: all data are average values.

Processing Flow:

unloading→ Base layer treatment → glue resin on base layer → leveling → paste Carbon fiber sheet ( please pay attention for safety as the carbon fabric is conductive → Inspection → Surface protecting and decoration.

Attention

1, Carbon Fiber CFRP Sheet is conductive, please leave far away from electrical equipment and power supply, or take reliable protection

2, Carbon Fiber CFRP Sheets bent should be avoided in the process

3, the surface should be clean and dry;

4, temperature theoretically should be 5-40 ℃

5, Processing in rain and outdoor is prohibited

6, If relative humidity is greater than 85% or condensation on the concrete surface, Processing is not allowed;

7, Matched resin shall be stored sealed and away from fire and direct sunlight.

8, The place of the formulation and use of resins should maintain good ventilation;

9, on-site workers should take appropriate protection measures.

Comparison

1. Material quality

many suppliers use basalt fiber, aramid fiber contracted black to posing as carbon fiber cloth, this will caused project quality unqualified, so firstly need to know that the carbon fiber has black and bright tows, it will not curl but red as steel wire after burning, smooth, glossy, well-distributed,and with good conductive performance

2, Bonding quality

strictly abide with <<processing and inspection standard for carbon fiber>> Ensuring the quality of bonding quality;

3, carbon fiber has good tensile strength, but is poor for fold and bending

4, carbon fiber cloth shall be covered with anti-corrosion mortars after processing, long time exposure will reduce its service life.