Commonly known as Teflon® filter bags, these high-performance filtration solutions are crafted from PTFE, or polytetrafluoroethylene. Revered for its impressive synthetic properties, PTFE stands out for its hydrophobic nature, chemical resistance, non-stick surface, high-temperature tolerance, and low friction coefficient. These exceptional features make PTFE filter bags the perfect choice for a diverse range of filtration applications. As a filter media, it boasts the following compelling characteristics:
- High Filtration Efficiency - The microscopic pores within the PTFE material present an extensive surface area that is highly effective in capturing particles, even those of submicron size. This superior efficiency, often surpassing 99%, is essential for applications bound by stringent air quality regulations.
- Chemically Inert - Exhibiting robust resistance to corrosive chemicals, PTFE materials are ideal for applications involving aggressive gases. This chemical resilience not only ensures extended bag life but also minimizes the risk of failure or degradation.
- Excellent Thermal Stability - Capable of withstanding extreme temperatures without compromising filtration performance, PTFE materials maintain a continuous operating temperature of 240°C (464°F). This makes them exceptional for high-temperature applications such as industrial furnaces or incinerators.
- Low Friction Coefficient - PTFE filter bags excel in dust cake release properties due to their low surface energy, which prevents dust particles from adhering to the bag's surface. This promotes easier cleaning and reduces the need for frequent replacements, thereby maintaining consistent filtration performance and lowering maintenance costs.
- Excellent Hydrolysis Resistance - Renowned for its water-repelling properties, PTFE is an ideal material for applications where moisture poses a challenge.
- Excellent Oxidation Resistance - PTFE's strong resistance to oxidation ensures the durability and longevity of filter bags, even in moist heat environments.
Beyond these outstanding filtration characteristics, PTFE filter bags offer additional significant advantages, such as:
- Long Service Life- Even under demanding operating conditions, PTFE filter bags demonstrate a long service life, leading to substantial cost savings over time.
- Easy to Clean and Maintain- These filter bags are designed for easy cleaning and maintenance, reducing downtime and enhancing productivity.
- Lower Energy Consumption - Thanks to the advanced cleaning efficiency of Teflon filter bags, the overall pressure drop across the filter media is reduced, improving the dust collection system's efficiency and energy consumption.
| Characteristics |
Rating |
| Fiber Content |
100% Virgin PTFE |
| Weight |
750g/m² (22.12oz/yd²) |
| Thickness |
1.0mm (0.039in) |
| Fabric Construction |
Needlefelt |
| Continuous Operating Temperature |
240°C (464°F) |
| Maximum Surge Temperature |
260°C (500°F) |
| Abrasion Resistance |
Excellent |
| Acid Resistance |
Excellent |
| Alkali Resistance |
Excellent |
| Moist Heat Resistant |
Excellent |
| Energy Absorbsion |
Good |
| Filtration Property |
Fair |
| Oxygen (15%+) |
Excellent |
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