Commonly revered as Teflon® filter bags, these are engineered from PTFE, polytetrafluoroethylene. PTFE boasts exceptional synthetic polymer properties, including hydrophobicity, chemical resistance, non-stickiness, high-temperature endurance, and a low friction coefficient. These characteristics render PTFE filter bags supremely effective across diverse filtration applications, thanks to several key attributes:
- Unmatched Filtration Efficiency - The intricate microscopic pores within PTFE material create an expansive surface area, perfect for capturing even submicron particles. This remarkable efficiency exceeds 99%, ensuring compliance with stringent air quality standards.
- Chemically Inert - PTFE's robust resistance to corrosive chemicals makes it ideal for filtering aggressive gases, ensuring prolonged bag life and reducing the risk of failure or degradation.
- Outstanding Thermal Stability - Capable of withstanding extreme temperatures, PTFE maintains superior filtration performance at continuous operating temperatures up to 240°C (464°F). This makes it perfect for high-temperature applications, including industrial furnaces and incinerators.
- Low Friction Coefficient - PTFE's low surface energy ensures that dust particles do not adhere, facilitating easy dust cake release and simplifying cleaning. This reduces the frequency of bag changes, maintaining consistent filtration and lowering maintenance costs.
- Superior Hydrolysis Resistance - PTFE's hydrophobic nature makes it an excellent choice for applications exposed to moisture.
- Exceptional Oxidation Resistance - Highly resistant to oxidation, PTFE ensures longevity and durability, even in high-moisture, high-heat environments.
Beyond these filtration benefits, PTFE filter bags offer additional advantages:
- Extended Service Life- PTFE filter bags endure even the most challenging conditions, resulting in significant long-term cost savings.
- Effortless Maintenance- Designed for easy cleaning and upkeep, PTFE filter bags minimize downtime and enhance productivity.
- Energy Efficiency - With enhanced cleaning efficiency, Teflon filter bags reduce overall pressure drop, boosting the dust collection system's efficiency and slashing 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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