PTFE Filter Bag
Leading Dust Filter Bag Manufacturers & Suppliers in China
Our PTFE (Polythenylene Sulfide) filter media is manufactured from 100% pure PTFE fibers, offering unparalleled chemical immunity and thermal endurance. It is the definitive choice for the most aggressive industrial environments where other synthetic fibers fail due to chemical attack or extreme heat.

PRODUCT DESCRIPTION
Yuanchen Technology’s PTFE Filter Bags are engineered using high-tenacity, 100% virgin polytetrafluoroethylene fibers, representing the pinnacle of industrial filtration technology. Known as the “King of Plastics,” PTFE provides a virtually indestructible barrier against chemical degradation, making these bags the premier solution for applications involving high temperatures and highly corrosive gaseous components.
Key Features
- Unmatched Temperature Tolerance: Designed for the most demanding thermal environments, PTFE media operates continuously at 260°C (500°F), withstanding accidental temperature spikes up to 280°C.
- Total Chemical Immunity: PTFE fibers are chemically inert. They offer absolute resistance to strong acids, powerful alkalis, and potent oxidizing agents throughout the entire pH range (0–14), ensuring structural integrity where PPS or Nomex would degrade.
- Superior Dust Release & Non-Stick Surface: Thanks to its naturally low surface energy and the option for PTFE membrane lamination, these bags prevent fine dust particles from embedding in the felt. This results in lower pressure drops, reduced cleaning frequency, and significant energy savings.
- Excellent Hydrophobic Properties: With near-zero water absorption, PTFE is naturally resistant to hydrolysis and “blinding” caused by moisture, making it highly effective for filtering saturated or “sticky” flue gases.
- High Filtration Precision: Through advanced needle-punching and specialized scrim reinforcement, our PTFE bags maintain high dimensional stability and can achieve ultra-low emissions (<5mg/Nm³) when paired with high-efficiency surface treatments.
Applications
Yuanchen PTFE Filter Bags are the strategic choice for critical missions where process stability is non-negotiable:
- Waste Incineration (MSW & Hazardous): Handling the most complex and corrosive chemical cocktails and dioxins in waste-to-energy plants.
- Chemical & Pigment Production: Filtration in processes involving highly acidic or alkaline chemical reactions and high-temperature gas streams.
- Coal-Fired Boilers (High Sulfur): Ideal for plants burning high-sulfur coal where acid dew point corrosion is a constant threat.
- Carbon Black & Smelting: Recovery of valuable particulates in extreme heat and chemically aggressive off-gas systems.
- Cement Kilns (Bypass Systems): Managing high-temperature gas exit points with volatile chemical concentrations.
PRODUCT PARAMENTERS
| Product Name</ | 100% PTFE Filter Media</ | 100% PTFE Membrane Filter Media</ | |
|---|---|---|---|
| Fiber | PTFE | ||
| Base Cloth | PTFE | ||
| Gram Weight (g/m²) | 780 | ||
| Continuous Operating Temp. (℃) | 260 | ||
| Instant Operating Temp. (℃) | 280 | ||
| Tensile Strength (N/5*20cm) | Warp | >800 | |
| Weft | >800 | ||
| Elongation at Break (%) | Warp | <20 | |
| Weft | <30 | ||
| Air Permeability (m³/m²·min) | 8~12 | 2~5 | |
| Air Velocity (m/min) | <1.2 | <1.0 | |
| Application Scenarios | High temperature & oxidation resistance, excellent acid/alkali corrosion resistance. Suitable for high humidity scenarios with low filtration precision requirements. | High temperature, oxidation, acid/alkali corrosion & hydrolysis resistance. Suitable for scenarios with high filtration precision requirements. | |
Welcome to Yuanchen’s Filter Bags Manufacturing Facility
Equipped with cutting-edge production technology and a team of elite technical experts, our facility is dedicated to engineering high-performance filter bags tailored to meet the rigorous demands of diverse industrial environments.













