PTFE Needle Felt Filter Cloth
PTFE Needle Felt Filter Cloth is a type of filter media made from polytetrafluoroethylene (PTFE) fibers that are arranged in a felt-like structure.
Product Details
PTFE material is known for its excellent resistance to high temperatures, chemical inertness, and ability to repel water and oils. Because of these properties, PTFE needle felt is commonly used in filter bags and other filtration applications where harsh conditions are present.
PTFE needle felt may also be treated with coatings or membranes, such as a PTFE membrane, to enhance its flame retardant properties or to avoid agglomeration of particles on the surface of the filter fabrics. These modifications can improve the performance and lifespan of the filter cloth in industrial air filtration systems, particularly in industries like asphalt production, chemical processing, and power generation.
The filter cloth made from PTFE needle felt is known for its durability and can operate effectively in environments with high temperatures and aggressive chemical exposure. It is often used in dust collector systems as part of the filter bags that capture particulate matter.
| Technical Parameters | ||||||
| Gram Weight (g/m²) | Thickness(mm) | Air Perm (m³/m².min) | Breaking Strength(N/20X5cm) | Elongation at Break(%) | ||
| Warp Direction | Weft Direction | Warp Direction | Weft Direction | |||
| 750 | 1.2 | 2-5 | ≥800 | ≥800 | ≤30 | ≤45 |
| Continuous Temperature(°C) | Instantaneous Temperature(°C) | Acid Resistance | Alkali Resistance | Abrasion Resistance | Hydrolytic Stability | Post-Processing Method |
| 260 | 280 | Good | Good | Good | Good | PTFE Soak or Heat Setting or Laminating |
- High Temperature Resistance: PTFE needle felt can withstand high temperatures, making it suitable for use in environments where heat is a factor.
- Chemical Resistance: The material is inert to most chemicals, providing excellent resistance to acids, alkalis, and various organic solvents.
- Hydrophobic and Oleophobic: PTFE fibers are naturally hydrophobic (water-repellent) and oleophobic (oil-repellent), which helps to prevent clogging and ensures the easy release of dust and particles during the cleaning cycle.
- Durability: The strength and stability of the PTFE fibers contribute to the longevity of the filter cloth, even in harsh conditions.
- Low Friction Coefficient: PTFE has a low friction coefficient, which can be advantageous in minimizing wear and tear on the filter cloth.
- Energy Efficiency: The filtration efficiency of PTFE needle felt may lead to reduced energy consumption in filtration systems due to lower pressure drop across the filter media.
- Versatility: PTFE needle felt can be used in a variety of industrial applications, including thermal power, waste incineration, chemical processing, and more.
- Filter Efficiency: With the addition of a PTFE membrane, the needle felt can achieve high levels of particle retention, controlling pollution such as PM2.5 effectively.
- Insolubility: PTFE is almost insoluble in all solvents, contributing to its ability to withstand a wide range of processing environments.
These features make PTFE Needle Felt Filter Cloth a premium choice for filtration in demanding conditions, where other materials may fail or degrade rapidly.