SHANGHAI LIJIN IMP.&EXP. CO.,LTD
SHANGHAI LIJIN COMPOSITE INTERNATIONAL WOULD BE EASIER CHOOSING CARBON FIBER
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Flexible CFRP Carbon Fiber Tube High Temperature Resistance Low Aesthetic Impact
CFRP strengthening of existing structures can involve complex evaluation, design, and detailing processes, requiring a good understanding of the existing structural conditions along with the materials used to repair the structure prior to FRP installation. The suitability of FRP for a strengthening project can be determined by understanding what FRP is and the advantages it offers, but more importantly, its limitations.
carbon fiber reinforced polymer fabric (CFRP composite strengthening system) for structural strengthening, repairing and retrofitting of masonry, concrete, steel and wooden substrates. CFRP composite strengthening of columns,beams,slabs,walls,piles,pier caps in building,bridge,highway,railway,tunnels,piers and civil airport.
Carbon Fiber-reinforced polymer (CFRP) systems are simply defined as highstrength and lightweight reinforcements created by combining carbon (CFRP) with a polymer material (epoxy resin). The performance characteristics of CFRP strengthening system have become increasingly popular in construction and retrofit applications, specifically in aging, damaged, deteriorating or overloaded concrete structures.
A Brief History on Carbon Fiber
Carbon fiber dates back to 1879 when Thomas Edison baked cotton threads or bamboo silvers at high temperatures, which carbonized them into an all-carbon fiber filament. By 1958, high-performance carbon fibers were invented just outside of Cleveland, OH. Although they were inefficient, these fibers contained around 20% carbon and had low strength and stiffness properties.
In 1963 a new manufacturing process was developed at a British research center, which is where carbon fiber’s strength potential was realized.
How is Carbon Fiber Made: An Overview of The Carbon Fiber Manufacturing Process
Carbon fiber is made from a process that is part chemical and part mechanical. It starts by drawing long strands of fibers and then heating them to a very high temperature without allowing contact with oxygen to prevent the fibers from burning. This is when carbonization takes place, which is when the atoms inside of the fibers vibrate violently, expelling most of the non-carbon atoms. This leaves a fiber composed of long, tightly inter-locked chains of carbon atoms with only a few non-carbon atoms remaining.
A typical sequence used to form carbon fibers from polyacrylonitrile involves spinning, stabilizing, carbonizing, treating the surface, and sizing.
| Material | Flexible CFRP Carbon Fiber Tube |
| Shape | Round/Oval |
| Technology | Roll-wrapped or pultrusion |
| Dimension | The existing inner diameter of the mold is 4mm-50mm with a length of 1m. |
| Customizable size: The maximum diameter can be 200mm, the longest can be 3m. | |
| Surface | Black glossy/matte surface/painted |
| Glossy 3k weave/matte 3k weave | |
| Color metal wire weave | |
| Feature | lightweight, high strength |
| Working Temperature | Usually, -30-120 degrees, if special requirement, please let us know. |
| Place Of Origin | China |
| Function | Marine, Agriculture Tools, Arrow Shaft, Medical, Sport Products |
| Tolerance | Diameter Tolerance: +/-0.1mm |
| Length Tolerance | +/-1mm |
Our Service:
1. It ensures that a year of quality assurance and 24 hours online customer service.
2. Protection of your sales area, ideas of design, and all your private information.
3. Request for samples is accepted.
4. Drilling and slotting are accepted.
5. We guarantee the products to be manufactured with the finest materials and mature technics.
All tubes can be repaired at no charge if returned to us, postage prepaid, within one year.
FAQ:
1. Can you produce according to the samples or drawings?
Yes, we can produce your samples or technical drawings. We can create the molds and fixtures.
2. What are your terms of payment?
Usually, we accept T/T, irrevocable L/C at sight. For regular orders, Terms of payment 30% deposit, balance before shipment.
3. What is the lead time?
It usually takes 25 to 35 days after sample confirmation and receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
4. What are your terms of packing?
Generally, we pack our goods in neutral cartons. It is fragile we will make the wooden frame. and we also can according to your requirements.
5. What are your terms of delivery?
We accept EXW, FOB, CIF, etc. You can choose the one which is the most convenient or cost-effective for you.
6. How to solve the quality problems after sales?
Take photos of the problems and send them to us. We will make a satisfied solution for you within 24 hours after we confirm the problems.
7. Is it OK to print my logo on carbon fiber products?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
8. You are a manufacturer or trading company?
We are a factory. Welcome to visit our factory at any time.
