PTFE (polytetrafluoroethylene) is a polymer material known as the “king of plastics.” Its woven fabric form involves weaving PTFE fibers into a high-strength mesh structure using a special process. PTFE woven filter cloth offers exceptional high-temperature resistance, outstanding chemical corrosion resistance, and excellent non-stick properties, enabling it to maintain stable filtration performance even under the most demanding operating conditions. Compared with conventional PP, PET, and nylon filter cloths, it provides a significantly longer service life, lower maintenance costs, and more consistent filtration performance, making it one of the highest-performing woven filter media for demanding industrial filtration and solid-liquid separation applications.
Description
As a premium woven filter cloth manufacturer, Fillmedia® leverages its extensive industry experience and team of technical experts to deeply understand filtration needs under diverse operating conditions. We provide scientifically rigorous, practical, reliable, and customized filtration solutions to meet our customers’ specific application requirements. We offer comprehensive technical support covering material selection, product design, and process optimization, aiming to improve filtration efficiency, extend product lifespan, and reduce overall operating costs.
Features of PTFE Filter Cloth
- Excellent resistance to strong acids, alkalis, and organic solvents.
- Continuous operating temperature up to 260°C (500°F).
- Outstanding chemical inertness with almost no chemical degradation.
- Extremely low surface energy for easy filter cake release.
- Hydrophobic and non-wetting surface.
- Excellent dimensional stability under high temperatures.
- Superior UV and weather resistance.
- Long service life with low maintenance requirements.
- Suitable for repeated cleaning and reuse.
- High filtration efficiency with stable pore structure.
Specifications of PTFE Filter Cloth
| Property | Specification |
|---|---|
| Warp Yarn | PTFE Multifilament |
| Weft Yarn | PTFE Multifilament |
| Weave | Plain Weave |
| Continuous Operating Temperature | 260°C |
| Peak Temperature | 280°C |
| Acid Resistance | Excellent |
| Alkali Resistance | Excellent |
| Weight | 700 g/m² |
| Tensile Strength (Warp Direction) | 2800 N/5 cm |
| Tensile Strength (Weft Direction) | 2500 N/5 cm |
| Burst Strength | — |
| Thickness | 0.6 mm |
| Heat Resistance | Shrinkage <2% after 2 hours at 260°C (unrestricted) |
| Durability | Excellent |
| Filtration Rating | 2000–0.5 μm |
| Available Processing Diameter | 30–500 mm |
Applicable Equipments of PTFE Filter Cloth
- Chamber filter presses
- Membrane filter presses
- Belt filter presses
- Vacuum belt filters
- Horizontal vacuum filters
- Rotary drum vacuum filters
- Pressure leaf filters
- Plate and frame filters
Application Industries of PTFE Filter Cloth
PTFE woven filter cloth is widely used in industries requiring superior chemical and thermal resistance, including:
- Chemical processing
- Pharmaceutical manufacturing
- Fine chemical production
- Chlor-alkali industry
- Titanium dioxide production
- Battery material processing
- Mining and metallurgy
- High-purity chemical filtration
- Food and beverage processing
- Wastewater treatment
- Semiconductor and electronic chemicals