What Is Carbon Fiber Needle Felt?
Carbon fiber needle felt is a non-woven fabric made from carbon fibers. It is produced by interlocking carbon fiber webs with barbed needles. This process creates a dense, porous material with excellent filtration and heat resistance properties.
Key Characteristics
High-temperature resistance is its most notable feature. It can withstand temperatures up to 300°C (572°F) or higher. This makes it ideal for high-temperature filtration applications.
Excellent filtration efficiency allows it to capture small particles. The porous structure traps dust, smoke and other contaminants while allowing air or gas to pass through.
It also offers good chemical resistance. It can withstand exposure to acids, bases and other harsh chemicals. This makes it suitable for use in industrial filtration processes.
Applications
Industrial filtration is the primary application. It is used in baghouses and dust collectors for power plants, steel mills and cement factories. It captures dust and pollutants from exhaust gases.
In the automotive industry, it is used for exhaust gas filtration. It reduces emissions by capturing particulate matter from vehicle exhausts.
The aerospace sector uses it for cabin air filtration and engine exhaust filtration. It ensures clean air for passengers and protects engine components from debris.
Selection Tips
Consider the operating temperature. Choose a felt that can withstand the maximum temperature of your application. Using a material with insufficient heat resistance will reduce its lifespan.
Check the filtration efficiency. Select a felt with the appropriate pore size to capture the particles in your application. Higher efficiency felts trap smaller particles.
Evaluate the material thickness. Thicker felts offer better filtration but may reduce air flow. Balance filtration efficiency with air flow requirements.
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